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Initial commit.
This commit is contained in:
851
Recast/Examples/imgui.cpp
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851
Recast/Examples/imgui.cpp
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//
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// Copyright (c) 2009 Mikko Mononen memon@inside.org
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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//
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#include <string.h>
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#define _USE_MATH_DEFINES
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#include <math.h>
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#include "imgui.h"
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#include "SDL.h"
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#include "SDL_opengl.h"
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#ifdef WIN32
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# define snprintf _snprintf
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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enum GfxCmdType
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{
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GFXCMD_RECT,
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GFXCMD_TRIANGLE,
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GFXCMD_TEXT,
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GFXCMD_SCISSOR,
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};
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struct GfxRect
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{
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short x,y,w,h,r;
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};
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struct GfxText
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{
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short x,y,dir;
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const char* text;
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};
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struct GfxCmd
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{
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char type;
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char flags;
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char pad[2];
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unsigned int col;
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union
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{
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GfxRect rect;
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GfxText text;
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};
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};
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unsigned int RGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
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{
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return (r) | (g << 8) | (b << 16) | (a << 24);
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}
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static const unsigned TEXT_POOL_SIZE = 4096;
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static char g_textPool[TEXT_POOL_SIZE];
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static unsigned g_textPoolSize = 0;
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const char* allocText(const char* text)
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{
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unsigned len = strlen(text)+1;
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if (g_textPoolSize + len >= TEXT_POOL_SIZE)
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return 0;
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char* dst = &g_textPool[g_textPoolSize];
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memcpy(dst, text, len);
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g_textPoolSize += len;
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return dst;
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}
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static const unsigned GFXCMD_QUEUE_SIZE = 1024;
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static GfxCmd g_gfxCmdQueue[GFXCMD_QUEUE_SIZE];
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static unsigned g_gfxCmdQueueSize = 0;
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void resetGfxCmdQueue()
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{
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g_gfxCmdQueueSize = 0;
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g_textPoolSize = 0;
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}
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static const unsigned TEMP_COORD_COUNT = 100;
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static float g_tempCoords[TEMP_COORD_COUNT*2];
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static float g_tempNormals[TEMP_COORD_COUNT*2];
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static void drawPolygon(const float* coords, unsigned numCoords, float r, unsigned int col)
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{
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if (numCoords > TEMP_COORD_COUNT) numCoords = TEMP_COORD_COUNT;
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for (unsigned i = 0, j = numCoords-1; i < numCoords; j=i++)
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{
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const float* v0 = &coords[j*2];
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const float* v1 = &coords[i*2];
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float dx = v1[0] - v0[0];
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float dy = v1[1] - v0[1];
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float d = sqrtf(dx*dx+dy*dy);
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if (d > 0)
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{
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d = 1.0f/d;
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dx *= d;
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dy *= d;
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}
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g_tempNormals[j*2+0] = dy;
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g_tempNormals[j*2+1] = -dx;
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}
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for (unsigned i = 0, j = numCoords-1; i < numCoords; j=i++)
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{
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float dlx0 = g_tempNormals[j*2+0];
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float dly0 = g_tempNormals[j*2+1];
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float dlx1 = g_tempNormals[i*2+0];
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float dly1 = g_tempNormals[i*2+1];
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float dmx = (dlx0 + dlx1) * 0.5f;
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float dmy = (dly0 + dly1) * 0.5f;
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float dmr2 = dmx*dmx + dmy*dmy;
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if (dmr2 > 0.000001f)
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{
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float scale = 1.0f / dmr2;
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if (scale > 10.0f) scale = 10.0f;
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dmx *= scale;
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dmy *= scale;
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}
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g_tempCoords[i*2+0] = coords[i*2+0]+dmx*r;
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g_tempCoords[i*2+1] = coords[i*2+1]+dmy*r;
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}
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unsigned int colTrans = RGBA(col&0xff, (col>>8)&0xff, (col>>16)&0xff, 0);
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glBegin(GL_TRIANGLES);
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glColor4ubv((GLubyte*)&col);
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for (unsigned i = 0, j = numCoords-1; i < numCoords; j=i++)
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{
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glVertex2fv(&coords[i*2]);
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glVertex2fv(&coords[j*2]);
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glColor4ubv((GLubyte*)&colTrans);
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glVertex2fv(&g_tempCoords[j*2]);
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glVertex2fv(&g_tempCoords[j*2]);
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glVertex2fv(&g_tempCoords[i*2]);
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glColor4ubv((GLubyte*)&col);
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glVertex2fv(&coords[i*2]);
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}
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glColor4ubv((GLubyte*)&col);
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for (unsigned i = 2; i < numCoords; ++i)
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{
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glVertex2fv(&coords[0]);
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glVertex2fv(&coords[(i-1)*2]);
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glVertex2fv(&coords[i*2]);
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}
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glEnd();
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}
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static const int CIRCLE_VERTS = 8*4;
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static float g_circleVerts[CIRCLE_VERTS*2];
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static bool g_circleVertsInitialized = false;
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const float* getCircleVerts()
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{
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if (!g_circleVertsInitialized)
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{
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g_circleVertsInitialized = true;
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for (unsigned i = 0; i < CIRCLE_VERTS; ++i)
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{
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float a = (float)i/(float)CIRCLE_VERTS * (float)M_PI*2;
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g_circleVerts[i*2+0] = cosf(a);
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g_circleVerts[i*2+1] = sinf(a);
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}
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}
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return g_circleVerts;
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}
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static void drawRect(float x, float y, float w, float h, float fth, unsigned int col)
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{
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float verts[4*2] =
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{
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x, y,
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x+w, y,
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x+w, y+h,
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x, y+h,
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};
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drawPolygon(verts, 4, fth, col);
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}
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static void drawEllipse(float x, float y, float w, float h, float fth, unsigned int col)
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{
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float verts[CIRCLE_VERTS*2];
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const float* cverts = getCircleVerts();
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float* v = verts;
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for (unsigned i = 0; i < CIRCLE_VERTS; ++i)
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{
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*v++ = x + cverts[i*2]*w;
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*v++ = y + cverts[i*2+1]*h;
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}
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drawPolygon(verts, CIRCLE_VERTS, fth, col);
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}
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static void drawRoundedRect(float x, float y, float w, float h, float r, float fth, unsigned int col)
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{
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const unsigned n = CIRCLE_VERTS/4;
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float verts[(n+1)*4*2];
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const float* cverts = getCircleVerts();
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float* v = verts;
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for (unsigned i = 0; i <= n; ++i)
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{
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*v++ = x+w-r + cverts[i*2]*r;
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*v++ = y+h-r + cverts[i*2+1]*r;
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}
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for (unsigned i = n; i <= n*2; ++i)
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{
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*v++ = x+r + cverts[i*2]*r;
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*v++ = y+h-r + cverts[i*2+1]*r;
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}
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for (unsigned i = n*2; i <= n*3; ++i)
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{
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*v++ = x+r + cverts[i*2]*r;
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*v++ = y+r + cverts[i*2+1]*r;
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}
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for (unsigned i = n*3; i < n*4; ++i)
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{
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*v++ = x+w-r + cverts[i*2]*r;
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*v++ = y+r + cverts[i*2+1]*r;
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}
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*v++ = x+w-r + cverts[0]*r;
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*v++ = y+r + cverts[1]*r;
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drawPolygon(verts, (n+1)*4, fth, col);
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}
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static void drawLine(float x0, float y0, float x1, float y1, float r, float fth, unsigned int col)
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{
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float dx = x1-x0;
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float dy = y1-y0;
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float d = sqrtf(dx*dx+dy*dy);
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if (d > 0.0001f)
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{
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d = 1.0f/d;
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dx *= d;
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dy *= d;
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}
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float t = dx;
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dx = dy;
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dy = -t;
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float verts[4*2];
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r -= fth;
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r *= 0.5f;
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if (r < 0.01f) r = 0.01f;
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dx *= r;
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dy *= r;
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verts[0] = x0-dx;
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verts[1] = y0-dy;
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verts[2] = x0+dx;
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verts[3] = y0+dy;
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verts[4] = x1+dx;
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verts[5] = y1+dy;
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verts[6] = x1-dx;
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verts[7] = y1-dy;
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drawPolygon(verts, 4, fth, col);
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}
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void renderGfxCmdQueue(void (*drawText)(int x, int y, int dir, const char* text, unsigned int col))
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{
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glDisable(GL_SCISSOR_TEST);
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for (unsigned i = 0; i < g_gfxCmdQueueSize; ++i)
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{
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const GfxCmd& cmd = g_gfxCmdQueue[i];
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if (cmd.type == GFXCMD_RECT)
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{
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if (cmd.rect.r == 0)
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{
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drawRect((float)cmd.rect.x+0.5f, (float)cmd.rect.y+0.5f,
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(float)cmd.rect.w-1, (float)cmd.rect.h-1,
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1.0f, cmd.col);
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}
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else
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{
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drawRoundedRect((float)cmd.rect.x+0.5f, (float)cmd.rect.y+0.5f,
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(float)cmd.rect.w-1, (float)cmd.rect.h-1,
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(float)cmd.rect.r, 1.0f, cmd.col);
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}
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}
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else if (cmd.type == GFXCMD_TRIANGLE)
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{
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glColor4ub(cmd.col&0xff, (cmd.col>>8)&0xff, (cmd.col>>16)&0xff, (cmd.col>>24)&0xff);
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if (cmd.flags == 1)
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{
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const float verts[3*2] =
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{
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(float)cmd.rect.x+0.5f, (float)cmd.rect.y+0.5f,
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(float)cmd.rect.x+0.5f+(float)cmd.rect.w-1, (float)cmd.rect.y+0.5f+(float)cmd.rect.h/2-0.5f,
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(float)cmd.rect.x+0.5f, (float)cmd.rect.y+0.5f+(float)cmd.rect.h-1,
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};
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drawPolygon(verts, 3, 1.0f, cmd.col);
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}
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if (cmd.flags == 2)
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{
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const float verts[3*2] =
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{
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(float)cmd.rect.x+0.5f, (float)cmd.rect.y+(float)cmd.rect.h-1,
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(float)cmd.rect.x+0.5f+(float)cmd.rect.w/2-0.5f, (float)cmd.rect.y+0.5f,
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(float)cmd.rect.x+0.5f+(float)cmd.rect.w-1, (float)cmd.rect.y+0.5f+(float)cmd.rect.h-1,
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};
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drawPolygon(verts, 3, 1.0f, cmd.col);
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}
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}
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else if (cmd.type == GFXCMD_TEXT)
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{
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drawText(cmd.text.x, cmd.text.y, cmd.text.dir, cmd.text.text, cmd.col);
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}
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else if (cmd.type == GFXCMD_SCISSOR)
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{
|
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if (cmd.flags)
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{
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glEnable(GL_SCISSOR_TEST);
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glScissor(cmd.rect.x, cmd.rect.y, cmd.rect.w, cmd.rect.h);
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}
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else
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{
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glDisable(GL_SCISSOR_TEST);
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}
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}
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}
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glDisable(GL_SCISSOR_TEST);
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}
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void addGfxCmdScissor(int x, int y, int w, int h)
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||||
{
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if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
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return;
|
||||
GfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
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cmd.type = GFXCMD_SCISSOR;
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cmd.flags = x < 0 ? 0 : 1; // on/off flag.
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cmd.col = 0;
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cmd.rect.x = (short)x;
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cmd.rect.y = (short)y;
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cmd.rect.w = (short)w;
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cmd.rect.h = (short)h;
|
||||
}
|
||||
|
||||
void addGfxCmdRect(int x, int y, int w, int h, unsigned int color)
|
||||
{
|
||||
if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
|
||||
return;
|
||||
GfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
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cmd.type = GFXCMD_RECT;
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cmd.flags = 0;
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cmd.col = color;
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cmd.rect.x = (short)x;
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cmd.rect.y = (short)y;
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cmd.rect.w = (short)w;
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||||
cmd.rect.h = (short)h;
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||||
cmd.rect.r = 0;
|
||||
}
|
||||
|
||||
void addGfxCmdRoundedRect(int x, int y, int w, int h, int r, unsigned int color)
|
||||
{
|
||||
if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
|
||||
return;
|
||||
GfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
|
||||
cmd.type = GFXCMD_RECT;
|
||||
cmd.flags = 0;
|
||||
cmd.col = color;
|
||||
cmd.rect.x = (short)x;
|
||||
cmd.rect.y = (short)y;
|
||||
cmd.rect.w = (short)w;
|
||||
cmd.rect.h = (short)h;
|
||||
cmd.rect.r = (short)r;
|
||||
}
|
||||
|
||||
void addGfxCmdTriangle(int x, int y, int w, int h, int flags, unsigned int color)
|
||||
{
|
||||
if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
|
||||
return;
|
||||
GfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
|
||||
cmd.type = GFXCMD_TRIANGLE;
|
||||
cmd.flags = (char)flags;
|
||||
cmd.col = color;
|
||||
cmd.rect.x = (short)x;
|
||||
cmd.rect.y = (short)y;
|
||||
cmd.rect.w = (short)w;
|
||||
cmd.rect.h = (short)h;
|
||||
}
|
||||
|
||||
void addGfxCmdText(int x, int y, int dir, const char* text, unsigned int color)
|
||||
{
|
||||
if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
|
||||
return;
|
||||
GfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
|
||||
cmd.type = GFXCMD_TEXT;
|
||||
cmd.flags = 0;
|
||||
cmd.col = color;
|
||||
cmd.text.x = (short)x;
|
||||
cmd.text.y = (short)y;
|
||||
cmd.text.dir = (short)dir;
|
||||
cmd.text.text = allocText(text);
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
struct GuiState
|
||||
{
|
||||
GuiState() :
|
||||
mbutPressed(false), mbutReleased(false), mbut(false), mx(-1), my(-1),
|
||||
isHot(false), isActive(false), wentActive(false),
|
||||
dragX(0), dragY(0), dragOrig(0),
|
||||
widgetX(0), widgetY(0), widgetW(100),
|
||||
active(0), hot(0), hotToBe(0)
|
||||
{
|
||||
}
|
||||
|
||||
bool mbutPressed, mbutReleased;
|
||||
bool mbut;
|
||||
int mx,my;
|
||||
unsigned int active;
|
||||
unsigned int hot;
|
||||
unsigned int hotToBe;
|
||||
bool isHot;
|
||||
bool isActive;
|
||||
bool wentActive;
|
||||
int dragX, dragY;
|
||||
float dragOrig;
|
||||
int widgetX, widgetY, widgetW;
|
||||
};
|
||||
|
||||
static GuiState g_state;
|
||||
|
||||
inline bool anyActive()
|
||||
{
|
||||
return g_state.active != 0;
|
||||
}
|
||||
|
||||
inline bool isActive(unsigned int id)
|
||||
{
|
||||
return g_state.active == id;
|
||||
}
|
||||
|
||||
inline bool isHot(unsigned int id)
|
||||
{
|
||||
return g_state.hot == id;
|
||||
}
|
||||
|
||||
inline bool inRect(int x, int y, int w, int h)
|
||||
{
|
||||
return g_state.mx >= x && g_state.mx <= x+w && g_state.my >= y && g_state.my <= y+h;
|
||||
}
|
||||
|
||||
void clearInput()
|
||||
{
|
||||
g_state.mbutPressed = false;
|
||||
g_state.mbutReleased = false;
|
||||
}
|
||||
|
||||
void clearActive(void)
|
||||
{
|
||||
g_state.active = 0;
|
||||
// mark all UI for this frame as processed
|
||||
clearInput();
|
||||
}
|
||||
|
||||
void setActive(unsigned int id)
|
||||
{
|
||||
g_state.active = id;
|
||||
g_state.wentActive = true;
|
||||
}
|
||||
|
||||
void setHot(unsigned int id)
|
||||
{
|
||||
g_state.hotToBe = id;
|
||||
}
|
||||
|
||||
|
||||
bool buttonLogic(unsigned int id, bool over)
|
||||
{
|
||||
bool res = false;
|
||||
// process down
|
||||
if (!anyActive())
|
||||
{
|
||||
if (over)
|
||||
setHot(id);
|
||||
if (isHot(id) && g_state.mbutPressed)
|
||||
setActive(id);
|
||||
}
|
||||
|
||||
// if button is active, then react on left up
|
||||
if (isActive(id))
|
||||
{
|
||||
g_state.isActive = true;
|
||||
if (over)
|
||||
setHot(id);
|
||||
if (g_state.mbutReleased)
|
||||
{
|
||||
if (isHot(id))
|
||||
res = true;
|
||||
clearActive();
|
||||
}
|
||||
}
|
||||
|
||||
if (isHot(id))
|
||||
g_state.isHot = true;
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static void updateInput()
|
||||
{
|
||||
int mx, my;
|
||||
Uint8 state = SDL_GetMouseState(&mx, &my);
|
||||
bool mbut = (state & SDL_BUTTON_LMASK) != 0;
|
||||
SDL_Surface* screen = SDL_GetVideoSurface();
|
||||
my = screen->h-1 - my;
|
||||
|
||||
g_state.mx = mx;
|
||||
g_state.my = my;
|
||||
g_state.mbutPressed = !g_state.mbut && mbut;
|
||||
g_state.mbutReleased = g_state.mbut && !mbut;
|
||||
g_state.mbut = mbut;
|
||||
}
|
||||
|
||||
void imguiBeginFrame()
|
||||
{
|
||||
updateInput();
|
||||
|
||||
g_state.hot = g_state.hotToBe;
|
||||
g_state.hotToBe = 0;
|
||||
|
||||
g_state.wentActive = false;
|
||||
g_state.isActive = false;
|
||||
g_state.isHot = false;
|
||||
|
||||
g_state.widgetX = 0;
|
||||
g_state.widgetY = 0;
|
||||
g_state.widgetW = 0;
|
||||
|
||||
resetGfxCmdQueue();
|
||||
}
|
||||
|
||||
void imguiEndFrame()
|
||||
{
|
||||
clearInput();
|
||||
}
|
||||
|
||||
void imguiRender(void (*drawText)(int x, int y, int dir, const char* text, unsigned int col))
|
||||
{
|
||||
renderGfxCmdQueue(drawText);
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
static const int BUTTON_HEIGHT = 20;
|
||||
static const int SLIDER_HEIGHT = 20;
|
||||
static const int SLIDER_MARKER_WIDTH = 10;
|
||||
static const int CHECK_SIZE = 8;
|
||||
static const int DEFAULT_SPACING = 4;
|
||||
static const int TEXT_HEIGHT = 8;
|
||||
static const int SCROLL_AREA_PADDING = 6;
|
||||
static const int INTEND_SIZE = 16;
|
||||
static const int AREA_HEADER = 28;
|
||||
|
||||
static int g_scrollTop = 0;
|
||||
static int g_scrollBottom = 0;
|
||||
static int g_scrollRight = 0;
|
||||
static int g_scrollAreaTop = 0;
|
||||
static int* g_scrollVal = 0;
|
||||
static int g_focusTop = 0;
|
||||
static int g_focusBottom = 0;
|
||||
static unsigned int g_scrollId = 0;
|
||||
|
||||
bool imguiBeginScrollArea(unsigned int id, const char* name, int x, int y, int w, int h, int* scroll)
|
||||
{
|
||||
g_scrollId = id;
|
||||
|
||||
g_state.widgetX = x + SCROLL_AREA_PADDING;
|
||||
g_state.widgetY = y+h-AREA_HEADER + (*scroll);
|
||||
g_state.widgetW = w - SCROLL_AREA_PADDING*4;
|
||||
g_scrollTop = y-AREA_HEADER+h;
|
||||
g_scrollBottom = y+SCROLL_AREA_PADDING;
|
||||
g_scrollRight = x+w - SCROLL_AREA_PADDING*3;
|
||||
g_scrollVal = scroll;
|
||||
|
||||
g_scrollAreaTop = g_state.widgetY;
|
||||
|
||||
g_focusTop = y-AREA_HEADER;
|
||||
g_focusBottom = y-AREA_HEADER+h;
|
||||
|
||||
addGfxCmdRoundedRect(x, y, w, h, 6, RGBA(0,0,0,192));
|
||||
|
||||
addGfxCmdText(x+AREA_HEADER/2, y+h-AREA_HEADER/2-TEXT_HEIGHT/2, 1, name, RGBA(255,255,255,128));
|
||||
|
||||
addGfxCmdScissor(x+SCROLL_AREA_PADDING, y+SCROLL_AREA_PADDING, w-SCROLL_AREA_PADDING*4, h-AREA_HEADER-SCROLL_AREA_PADDING);
|
||||
|
||||
return inRect(x, y, w, h);
|
||||
}
|
||||
|
||||
void imguiEndScrollArea()
|
||||
{
|
||||
// Disable scissoring.
|
||||
addGfxCmdScissor(-1,-1,-1,-1);
|
||||
|
||||
// Draw scroll bar
|
||||
int x = g_scrollRight+SCROLL_AREA_PADDING/2;
|
||||
int y = g_scrollBottom;
|
||||
int w = SCROLL_AREA_PADDING*2;
|
||||
int h = g_scrollTop - g_scrollBottom;
|
||||
|
||||
int stop = g_scrollAreaTop;
|
||||
int sbot = g_state.widgetY;
|
||||
int sh = stop - sbot; // The scrollable area height.
|
||||
|
||||
float barHeight = (float)h/(float)sh;
|
||||
|
||||
if (barHeight < 1)
|
||||
{
|
||||
float barY = (float)(y - sbot)/(float)sh;
|
||||
if (barY < 0) barY = 0;
|
||||
if (barY > 1) barY = 1;
|
||||
|
||||
// Handle scroll bar logic.
|
||||
unsigned int hid = g_scrollId;
|
||||
int hx = x;
|
||||
int hy = y + (int)(barY*h);
|
||||
int hw = w;
|
||||
int hh = (int)(barHeight*h);
|
||||
|
||||
const int range = h - (hh-1);
|
||||
bool over = inRect(hx, hy, hw, hh);
|
||||
buttonLogic(hid, over);
|
||||
if (isActive(hid))
|
||||
{
|
||||
float u = (float)(hy-y) / (float)range;
|
||||
if (g_state.wentActive)
|
||||
{
|
||||
g_state.dragY = g_state.my;
|
||||
g_state.dragOrig = u;
|
||||
}
|
||||
if (g_state.dragY != g_state.my)
|
||||
{
|
||||
u = g_state.dragOrig + (g_state.my - g_state.dragY) / (float)range;
|
||||
if (u < 0) u = 0;
|
||||
if (u > 1) u = 1;
|
||||
*g_scrollVal = (int)((1-u) * (sh - h));
|
||||
}
|
||||
}
|
||||
|
||||
// BG
|
||||
addGfxCmdRoundedRect(x, y, w, h, w/2-1, RGBA(0,0,0,196));
|
||||
// Bar
|
||||
if (isActive(hid))
|
||||
addGfxCmdRoundedRect(hx, hy, hw, hh, w/2-1, RGBA(255,196,0,196));
|
||||
else
|
||||
addGfxCmdRoundedRect(hx, hy, hw, hh, w/2-1, isHot(hid) ? RGBA(255,196,0,96) : RGBA(255,255,255,64));
|
||||
}
|
||||
}
|
||||
|
||||
bool imguiButton(unsigned int id, const char* text)
|
||||
{
|
||||
int x = g_state.widgetX;
|
||||
int y = g_state.widgetY - BUTTON_HEIGHT;
|
||||
int w = g_state.widgetW;
|
||||
int h = BUTTON_HEIGHT;
|
||||
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
|
||||
|
||||
bool over = inRect(x, y, w, h);
|
||||
bool res = buttonLogic(id, over);
|
||||
|
||||
addGfxCmdRoundedRect(x, y, w, h, BUTTON_HEIGHT/2-1, RGBA(128,128,128, isActive(id)?196:96));
|
||||
addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, 1, text, isHot(id) ? RGBA(255,196,0,255) : RGBA(255,255,255,200));
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
bool imguiItem(unsigned int id, const char* text)
|
||||
{
|
||||
int x = g_state.widgetX;
|
||||
int y = g_state.widgetY - BUTTON_HEIGHT;
|
||||
int w = g_state.widgetW;
|
||||
int h = BUTTON_HEIGHT;
|
||||
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
|
||||
|
||||
bool over = inRect(x, y, w, h);
|
||||
bool res = buttonLogic(id, over);
|
||||
|
||||
if (isHot(id))
|
||||
addGfxCmdRoundedRect(x, y, w, h, 2, RGBA(255,196,0,isActive(id)?196:96));
|
||||
addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, 1, text, RGBA(255,255,255,200));
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
bool imguiCheck(unsigned int id, const char* text, bool checked)
|
||||
{
|
||||
int x = g_state.widgetX;
|
||||
int y = g_state.widgetY - BUTTON_HEIGHT;
|
||||
int w = g_state.widgetW;
|
||||
int h = BUTTON_HEIGHT;
|
||||
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
|
||||
|
||||
bool over = inRect(x, y, w, h);
|
||||
bool res = buttonLogic(id, over);
|
||||
|
||||
const int cx = x+BUTTON_HEIGHT/2-CHECK_SIZE/2;
|
||||
const int cy = y+BUTTON_HEIGHT/2-CHECK_SIZE/2;
|
||||
addGfxCmdRoundedRect(cx-3, cy-3, CHECK_SIZE+6, CHECK_SIZE+6, 4, RGBA(128,128,128, isActive(id)?196:96));
|
||||
if (checked)
|
||||
addGfxCmdRoundedRect(cx, cy, CHECK_SIZE, CHECK_SIZE, CHECK_SIZE/2-1, RGBA(255,255,255,isActive(id)?255:200));
|
||||
|
||||
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, 1, text, isHot(id) ? RGBA(255,196,0,255) : RGBA(255,255,255,200));
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
bool imguiCollapse(unsigned int id, const char* text, bool checked)
|
||||
{
|
||||
int x = g_state.widgetX;
|
||||
int y = g_state.widgetY - BUTTON_HEIGHT;
|
||||
int w = g_state.widgetW;
|
||||
int h = BUTTON_HEIGHT;
|
||||
g_state.widgetY -= BUTTON_HEIGHT; // + DEFAULT_SPACING;
|
||||
|
||||
const int cx = x+BUTTON_HEIGHT/2-CHECK_SIZE/2;
|
||||
const int cy = y+BUTTON_HEIGHT/2-CHECK_SIZE/2;
|
||||
|
||||
bool over = inRect(x, y, w, h);
|
||||
bool res = buttonLogic(id, over);
|
||||
|
||||
if (checked)
|
||||
addGfxCmdTriangle(cx, cy, CHECK_SIZE, CHECK_SIZE, 1, RGBA(255,255,255,isActive(id)?255:200));
|
||||
else
|
||||
addGfxCmdTriangle(cx, cy, CHECK_SIZE, CHECK_SIZE, 2, RGBA(255,255,255,isActive(id)?255:200));
|
||||
|
||||
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, 1, text, isHot(id) ? RGBA(255,196,0,255) : RGBA(255,255,255,200));
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
void imguiLabel(unsigned int /*id*/, const char* text)
|
||||
{
|
||||
int x = g_state.widgetX;
|
||||
int y = g_state.widgetY - BUTTON_HEIGHT;
|
||||
g_state.widgetY -= BUTTON_HEIGHT;
|
||||
addGfxCmdText(x, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, 1, text, RGBA(255,255,255,255));
|
||||
}
|
||||
|
||||
void imguiValue(unsigned int /*id*/, const char* text)
|
||||
{
|
||||
const int x = g_state.widgetX;
|
||||
const int y = g_state.widgetY - BUTTON_HEIGHT;
|
||||
const int w = g_state.widgetW;
|
||||
g_state.widgetY -= BUTTON_HEIGHT;
|
||||
|
||||
addGfxCmdText(x+w-BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, -1, text, RGBA(255,255,255,200));
|
||||
}
|
||||
|
||||
bool imguiSlider(unsigned int id, const char* text, float* val, float vmin, float vmax, float vinc)
|
||||
{
|
||||
int x = g_state.widgetX;
|
||||
int y = g_state.widgetY - BUTTON_HEIGHT;
|
||||
int w = g_state.widgetW;
|
||||
int h = SLIDER_HEIGHT;
|
||||
g_state.widgetY -= SLIDER_HEIGHT + DEFAULT_SPACING;
|
||||
|
||||
addGfxCmdRoundedRect(x, y, w, h, 4, RGBA(0,0,0,128));
|
||||
|
||||
const int range = w - SLIDER_MARKER_WIDTH;
|
||||
|
||||
float u = (*val - vmin) / (vmax-vmin);
|
||||
if (u < 0) u = 0;
|
||||
if (u > 1) u = 1;
|
||||
int m = (int)(u * range);
|
||||
|
||||
bool over = inRect(x+m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT);
|
||||
bool res = buttonLogic(id, over);
|
||||
bool valChanged = false;
|
||||
|
||||
if (isActive(id))
|
||||
{
|
||||
if (g_state.wentActive)
|
||||
{
|
||||
g_state.dragX = g_state.mx;
|
||||
g_state.dragOrig = u;
|
||||
}
|
||||
if (g_state.dragX != g_state.mx)
|
||||
{
|
||||
u = g_state.dragOrig + (float)(g_state.mx - g_state.dragX) / (float)range;
|
||||
if (u < 0) u = 0;
|
||||
if (u > 1) u = 1;
|
||||
*val = vmin + u*(vmax-vmin);
|
||||
*val = floorf(*val / vinc)*vinc; // Snap to vinc
|
||||
m = (int)(u * range);
|
||||
valChanged = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (isActive(id))
|
||||
addGfxCmdRoundedRect(x+m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT, 4, RGBA(255,255,255,255));
|
||||
else
|
||||
addGfxCmdRoundedRect(x+m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT, 4, isHot(id) ? RGBA(255,196,0,128) : RGBA(255,255,255,64));
|
||||
|
||||
int digits = (int)(ceilf(log10f(vinc)));
|
||||
char fmt[16];
|
||||
snprintf(fmt, 16, "%%.%df", digits >= 0 ? 0 : -digits);
|
||||
char msg[128];
|
||||
snprintf(msg, 128, fmt, *val);
|
||||
|
||||
addGfxCmdText(x+SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, 1, text, isHot(id) ? RGBA(255,196,0,255) : RGBA(255,255,255,200));
|
||||
addGfxCmdText(x+w-SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, -1, msg, isHot(id) ? RGBA(255,196,0,255) : RGBA(255,255,255,200));
|
||||
|
||||
return res || valChanged;
|
||||
}
|
||||
|
||||
|
||||
void imguiIndent()
|
||||
{
|
||||
g_state.widgetX += INTEND_SIZE;
|
||||
g_state.widgetW -= INTEND_SIZE;
|
||||
}
|
||||
|
||||
void imguiUnindent()
|
||||
{
|
||||
g_state.widgetX -= INTEND_SIZE;
|
||||
g_state.widgetW += INTEND_SIZE;
|
||||
}
|
||||
|
||||
void imguiSeparator()
|
||||
{
|
||||
g_state.widgetY -= DEFAULT_SPACING*3;
|
||||
}
|
||||
Reference in New Issue
Block a user