First commit

runtime/lib/fennec_core.cpp

@@ -0,0 +1,64 @@
+#include "fennec_core.h"
+
+namespace Fennec {
+    static C3D_RenderTarget* topTarget;
+    static C3D_RenderTarget* bottomTarget;
+    static C3D_RenderTarget* currentTarget;
+    
+    static C2D_TextBuf staticTextBuf;
+
+    void init() {
+        gfxInitDefault();
+        C3D_Init(C3D_DEFAULT_CMDBUF_SIZE);
+        C2D_Init(C2D_DEFAULT_MAX_OBJECTS);
+        C2D_Prepare();
+
+        staticTextBuf = C2D_TextBufNew(4096);
+
+        topTarget = C2D_CreateScreenTarget(GFX_TOP, GFX_LEFT);
+        bottomTarget = C2D_CreateScreenTarget(GFX_BOTTOM, GFX_LEFT);
+
+        currentTarget = topTarget;
+    }
+
+    void drawRect(float x, float y, float z, float w, float h, u32 color) {
+        C2D_DrawRectSolid(x, y, 0.5f, w, h, color);
+    }
+
+    void drawText(float x, float y, std::string content, u32 color) {
+        if (!staticTextBuf) return;
+        C2D_Text textObj;
+        C2D_TextParse(&textObj, staticTextBuf, content.c_str());
+        C2D_TextOptimize(&textObj);
+        C2D_DrawText(&textObj, C2D_WithColor, x, y, 0.5f, 0.1f, 0.1f, color);
+    }
+
+    void clearTextBuffer() {
+        C2D_TextBufClear(staticTextBuf)
+    }
+
+    void exit() {
+        C2D_TextBufDelete(staticTextBuf);
+        C2D_Fini();
+        C3D_Fini();
+        gfxExit();
+    }
+
+    void beginFrame() {
+        C3D_FrameBegin(C3D_FRAME_SYNCDRAW);
+        C2D_TextBufClear(staticTextBuf);
+    }
+
+    void endFrame() {
+        C3D_FrameEnd(0);
+    }
+
+    void selectScreen(gfxScreen_t screen) {
+        currentTarget = (screen == GFX_TOP) ? topTarget : bottomTarget;
+        C2D_SceneBegin(currentTarget);
+    }
+
+    u32 color(u8 r, u8 g, u8 b, u8 a) {
+        return C2D_Color32(r, g, b, a);
+    }
+}

runtime/lib/fennec_core.h

@@ -0,0 +1,21 @@
+#ifndef FENNEC_CORE_H
+#define FENNEC_CORE_H
+
+#include <3ds.h>
+#include <citro2d.h>
+#include <string>
+
+namespace Fennec {
+    void init();
+    void exit();
+    void beginFrame();
+    void endFrame();
+
+    void drawRect(float x, float y, float w, float h, u32 color);
+    void drawText(float x, float y, std::string content, u32 color);
+
+    void selectScreen(gfxScreen_t screen);
+    u32 color(u8 r, u8 g, u8 b, u8 a = 255);
+}
+
+#endif