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#include "sldj.h"
void initSldj(Sldj* sldj)
{
// Create window.
InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Scanline DJ");
SetWindowState(FLAG_WINDOW_RESIZABLE);
//SetTargetFPS(DEFAULT_FRAME_RATE);
sldj->targetFps = DEFAULT_FRAME_RATE;
sldj->viewport = LoadRenderTexture(DEFAULT_SCREEN_WIDTH, DEFAULT_SCREEN_HEIGHT);
sldj->frameCounter = 0;
sldj->xCount = UINT16_MAX / DEFAULT_SCREEN_WIDTH;
sldj->yCount = UINT16_MAX / DEFAULT_SCREEN_HEIGHT;
// Scripting.
initScripting(&sldj->scripting);
sldj->scriptFilepath[0] = '\0';
}
void updateSldj(Sldj* sldj)
{
BeginDrawing();
// Scan image.
BeginTextureMode(sldj->viewport);
if (sldj->scripting.lineScanner != NULL)
{
uint16_t xScan = 0;
uint16_t yScan = 0;
for (int y = 0; y < sldj->viewport.texture.height; ++y)
{
xScan = 0;
for (int x = 0; x < sldj->viewport.texture.width; ++x)
{
DrawPixel(x, y, sldj->scripting.lineScanner(xScan, yScan, sldj->frameCounter));
xScan += sldj->xCount;
}
yScan += sldj->yCount;
}
}
EndTextureMode();
ClearBackground(DARKGRAY);
// Draw scanned image.
Texture viewport = sldj->viewport.texture;
DrawTexturePro(
viewport,
(Rectangle){0.0, 0.0, viewport.width, viewport.height},
(Rectangle){0.0, 0.0, GetScreenWidth(), GetScreenHeight()},
(Vector2){0.0, 0.0},
0.0,
WHITE
);
DrawFPS(0, 0);
//SetWindowTitle(TextFormat("Scanline DJ %dfps", GetFPS()));
if (IsKeyPressed(KEY_R))
{
reloadScript(sldj);
}
EndDrawing();
++sldj->frameCounter;
}
void closeSldj(Sldj* sldj)
{
UnloadRenderTexture(sldj->viewport);
closeScripting(&sldj->scripting);
CloseWindow();
}
void resetViewport(Sldj* sldj, int width, int height)
{
UnloadRenderTexture(sldj->viewport);
sldj->viewport = LoadRenderTexture(width, height);
sldj->xCount = UINT16_MAX / width;
sldj->yCount = UINT16_MAX / height;
}
void reloadScriptContext(Sldj* sldj)
{
if (sldj->scripting.loadContext != NULL)
{
sldj->scripting.loadContext((SldjContext){
.viewportWidth = sldj->viewport.texture.width,
.viewportHeight = sldj->viewport.texture.height,
.targetFps = sldj->targetFps,
.xCount = sldj->xCount,
.yCount = sldj->yCount
});
}
}
void reloadScript(Sldj* sldj)
{
if (sldj->scriptFilepath[0] != '\0')
{
compileScript(&sldj->scripting, sldj->scriptFilepath);
reloadScriptContext(sldj);
}
}
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