Separate example game to Example.GameLib.

src/QuadArray2D.c

@@ -0,0 +1,95 @@
+// Copyright (C) 2013 Valeriano Alfonso Rodriguez (Kableado)
+
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "QuadArray2D.h"
+
+QuadArray2D QuadArray2D_Create(int resVertex) {
+	QuadArray2D quadArray = NULL;
+
+	quadArray = malloc(sizeof(TQuadArray2D));
+
+	quadArray->vertexData = malloc(sizeof(float) * Vertex2D_Length * resVertex);
+	quadArray->nVertex = 0;
+	quadArray->resVertex = resVertex;
+
+	return quadArray;
+}
+
+void QuadArray2D_Destroy(QuadArray2D *quadArray) {
+	if (!quadArray)
+		return;
+	if (!quadArray[0])
+		return;
+
+	free(quadArray[0]->vertexData);
+	free(quadArray[0]);
+	quadArray[0] = NULL;
+}
+
+void QuadArray2D_Clean(QuadArray2D quadArray) { quadArray->nVertex = 0; }
+
+void QuadArray2D_AddVertex(QuadArray2D quadArray, float v[]) {
+	if (quadArray->resVertex <= quadArray->nVertex) {
+		// Grow vertexData
+		quadArray->resVertex *= 2;
+		float *newVertexData =
+			malloc(sizeof(float) * Vertex2D_Length * quadArray->resVertex);
+		memcpy(newVertexData, quadArray->vertexData,
+			   sizeof(float) * Vertex2D_Length * quadArray->nVertex);
+		free(quadArray->vertexData);
+		quadArray->vertexData = newVertexData;
+	}
+
+	// Add the vertex
+	memcpy(quadArray->vertexData + (Vertex2D_Length * quadArray->nVertex), v,
+		   sizeof(float) * Vertex2D_Length);
+	quadArray->nVertex++;
+}
+
+void QuadArray2D_AddQuad(QuadArray2D quadArray, float x0, float y0, float u0,
+						 float v0, float x1, float y1, float u1, float v1,
+						 float color[]) {
+	float v[Vertex2D_Length];
+
+	// Set the color
+	v[4] = color[0];
+	v[5] = color[1];
+	v[6] = color[2];
+	v[7] = color[3];
+
+	// Add the vertexes
+	v[0] = x0;
+	v[1] = y0;
+	v[2] = u0;
+	v[3] = v0;
+	QuadArray2D_AddVertex(quadArray, v);
+	v[0] = x1;
+	v[1] = y0;
+	v[2] = u1;
+	v[3] = v0;
+	QuadArray2D_AddVertex(quadArray, v);
+	v[0] = x1;
+	v[1] = y1;
+	v[2] = u1;
+	v[3] = v1;
+	QuadArray2D_AddVertex(quadArray, v);
+
+	v[0] = x1;
+	v[1] = y1;
+	v[2] = u1;
+	v[3] = v1;
+	QuadArray2D_AddVertex(quadArray, v);
+	v[0] = x0;
+	v[1] = y1;
+	v[2] = u0;
+	v[3] = v1;
+	QuadArray2D_AddVertex(quadArray, v);
+	v[0] = x0;
+	v[1] = y0;
+	v[2] = u0;
+	v[3] = v0;
+	QuadArray2D_AddVertex(quadArray, v);
+}