1 files changed, 90 insertions, 0 deletions
diff --git a/nebu/include/video/nebu_quad.h b/nebu/include/video/nebu_quad.h
new file mode 100644
index 0000000..f80bcc4
--- /dev/null
+++ b/nebu/include/video/nebu_quad.h
@@ -0,0 +1,90 @@
+#ifndef NEBU_QUAD_H
+#define NEBU_QUAD_H
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/* 
+   this file holds datastructures for quads
+   they can be stored in Quad's and QuadBuffers for later processing
+   and rendering
+*/
+
+/* fixme: this is all very obsolete, use vertex buffers instead */
+
+typedef struct Vertex {
+  float v[3];
+  float color[4];
+  float uv[2];
+} Vertex;
+
+typedef struct Quad {
+  Vertex vertex[4]; 
+  int type;
+  int texture_id;
+} Quad;
+
+typedef struct Tris {
+  Vertex vertex[3]; 
+  int type;
+  int texture_id;
+} Tris;
+
+typedef struct QuadBuffer {
+  Quad *quads;
+  int size;
+  int current;
+} QuadBuffer;
+
+typedef struct QuadBufInfo {
+  QuadBuffer *qbuf;
+  int *qIndex;
+  int size;
+  int *qFlags;
+} QuadBufInfo;
+
+typedef struct TrisBuffer {
+  Tris *quads;
+  int size;
+  int current;
+} TrisBuffer;
+
+typedef struct TrisBufInfo {
+  TrisBuffer *qbuf;
+  int *qIndex;
+  int size;
+  int *qFlags;
+} TrisBufInfo;
+
+enum { 
+  QUAD_COLOR = 1,
+  QUAD_TEXTURE = 2,
+  QUAD_TEX_MODULATE = 4,
+  QUAD_TEX_DECAL = 8,
+  QUAD_ALPHA_TEST = 16
+};
+
+/* quad.c */
+
+extern void q_setColor4fv( Quad *q, int index, float color[4] );
+extern void q_setColor3f( Quad *q, int index, float r, float g, float b);
+extern void q_setColor4f( Quad *q, int index, float r, float g, float b, float a);
+extern void q_setTexCoord2f( Quad *q, int index, float u, float v );
+extern void q_setVertex3f( Quad *q, int index, float x, float y, float z);
+extern void q_setType(Quad *q, int type);
+extern QuadBuffer* createQuadBuffer(int size);
+extern void freeQuadBuffer(QuadBuffer* q );
+extern Quad* getNextQuad(QuadBuffer* q);
+extern int getCurrentQuad(QuadBuffer* q);
+extern int getQuadBufferSize(QuadBuffer *q);
+extern void renderQuadAt(QuadBuffer *q, int *index, int i);
+
+/* quadbuf.c */
+extern int* getSortedQuads(QuadBuffer *q, float eye[3]);
+extern Quad* getQuadAt(QuadBuffer *q, int index);
+
+/* extern renderer_ lib must provide this */
+extern void renderQuad(Quad* q);
+#endif
+