65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
#include "viewport.h"
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#include <raylib.h>
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#include <rlcimgui.h>
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#include <imgui_impl_raylib.h>
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#include <stddef.h>
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extern Camera camera;
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RenderTexture viewport;
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RenderTexture new_viewport;
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bool swap_viewport = false;
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void InitViewport() {
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viewport = LoadRenderTexture(800, 600);
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}
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void UpdateViewport() {
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if(swap_viewport) {
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UnloadRenderTexture(viewport);
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viewport = new_viewport;
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swap_viewport = false;
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}
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}
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void BeginViewport() {
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BeginTextureMode(viewport);
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}
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void EndViewport() {
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EndTextureMode();
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}
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void RenderViewport() {
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igPushStyleVar_Vec2(ImGuiStyleVar_WindowPadding, (ImVec2){0.0f, 0.0f});
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igBegin("Viewport", NULL, ImGuiWindowFlags_NoScrollbar);
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{
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if(igIsWindowHovered(0)) {
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if(IsMouseButtonDown(MOUSE_BUTTON_RIGHT)) {
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if(!IsCursorHidden())
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DisableCursor();
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UpdateCamera(&camera, CAMERA_FREE);
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} else {
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if(IsCursorHidden())
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EnableCursor();
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}
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} else {
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if(IsCursorHidden())
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EnableCursor();
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}
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ImVec2 area;
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igGetContentRegionAvail(&area);
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if(viewport.texture.width != area.x || viewport.texture.height != area.y) {
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new_viewport = LoadRenderTexture(area.x, area.y);
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swap_viewport = true;
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}
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rligImageRenderTexture(&viewport);
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}
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igEnd();
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igPopStyleVar(1);
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}
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