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Rename AppData to AppState

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This commit is contained in:
Graham Pentheny
2026-02-02 18:32:07 -05:00
parent 3d0aedec33
commit a9ee01e64f
4 changed files with 15 additions and 17 deletions
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75
RecastDemo/Source/AppState.cpp Normal file
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#include "AppState.h"
#include "InputGeom.h"
#include "SDL_opengl.h"
#include "Sample.h"
#ifdef __APPLE__
# include <OpenGL/glu.h>
#else
# include <GL/glu.h>
#endif
#include <imgui.h>
void AppState::resetCamera()
{
// Reset camera and fog to match the mesh bounds.
if (inputGeometry)
{
const float* boundsMin = inputGeometry->getNavMeshBoundsMin();
const float* boundsMax = inputGeometry->getNavMeshBoundsMax();
camr = rcSqr(boundsMax[0] - boundsMin[0]);
camr += rcSqr(boundsMax[1] - boundsMin[1]);
camr += rcSqr(boundsMax[2] - boundsMin[2]);
camr = sqrtf(camr) / 2.0f;
cameraPos[0] = (boundsMax[0] + boundsMin[0]) / 2.0f + camr;
cameraPos[1] = (boundsMax[1] + boundsMin[1]) / 2.0f + camr;
cameraPos[2] = (boundsMax[2] + boundsMin[2]) / 2.0f + camr;
camr *= 3.0f;
}
cameraEulers[0] = 45;
cameraEulers[1] = -45;
glFogf(GL_FOG_START, camr * 0.1f);
glFogf(GL_FOG_END, camr * 1.25f);
}
void AppState::updateWindowSize()
{
SDL_GetWindowSize(window, &width, &height);
SDL_GL_GetDrawableSize(window, &drawableWidth, &drawableHeight);
glViewport(0, 0, drawableWidth, drawableHeight);
glGetIntegerv(GL_VIEWPORT, viewport);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(50.0f, static_cast<float>(width) / static_cast<float>(height), 1.0f, camr);
glGetDoublev(GL_PROJECTION_MATRIX, projectionMatrix);
}
void AppState::updateUIScale() const
{
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2(static_cast<float>(width), static_cast<float>(height));
io.DisplayFramebufferScale = ImVec2(
static_cast<float>(drawableWidth) / static_cast<float>(width),
static_cast<float>(drawableHeight) / static_cast<float>(height));
}
void AppState::worldToScreen(float x, float y, float z, float* screenX, float* screenY) const
{
GLdouble modelviewMatrix[16];
glGetDoublev(GL_MODELVIEW_MATRIX, modelviewMatrix);
GLdouble winX, winY, winZ;
gluProject(x, y, z, modelviewMatrix, projectionMatrix, viewport, &winX, &winY, &winZ);
const float dpiScaleX = static_cast<float>(drawableWidth) / static_cast<float>(width);
const float dpiScaleY = static_cast<float>(drawableHeight) / static_cast<float>(height);
*screenX = static_cast<float>(winX) / dpiScaleX;
*screenY = static_cast<float>(height) - static_cast<float>(winY / dpiScaleY);
}