foo

[regis] / x3d.c

diff --git a/x3d.c b/x3d.c
index 53faa9b..1e9a8d0 100644 (file)
--- a/x3d.c
+++ b/x3d.c
@@ -45,6 +45,9 @@ static const int32_t *vertex_array;
 static unsigned short vertex_count;
 
 static uint8_t im_color_index;
+static int32_t im_vertex[4 * 3];
+static short im_vcount;
+static short im_mode;
 
 
 void x3d_projection(int fov, int32_t aspect, int32_t nearz, int32_t farz)
@@ -241,6 +244,30 @@ static void proc_vertex(const int32_t *vin, pvec3 *vout)
        vout->z = tvert[2];
 }
 
+void x3d_begin(int mode)
+{
+       im_mode = mode;
+       im_vcount = 0;
+}
+
+void x3d_end(void)
+{
+}
+
+void x3d_vertex(int32_t x, int32_t y, int32_t z)
+{
+       int32_t *vptr = im_vertex + im_vcount * 3;
+       vptr[0] = x;
+       vptr[1] = y;
+       vptr[2] = z;
+
+       im_vcount = (im_vcount + 1) % im_mode;
+       if(!im_vcount) {
+               x3d_vertex_array(im_mode, im_vertex);
+               x3d_draw(im_mode, im_mode);
+       }
+}
+
 void x3d_color_index(int cidx)
 {
        im_color_index = cidx;
@@ -250,12 +277,12 @@ void x3d_color_index(int cidx)
 void draw_poly(int num, const pvec3 *verts, int color)
 {
        int i;
-       regis_abspos(verts[0].x, verts[0].y);
+       regis_abspos(verts[0].x >> 16, verts[0].y >> 16);
        regis_begin_vector(REGIS_BOUNDED);
 
        for(i=0; i<num-1; i++) {
                ++verts;
-               regis_absv(verts->x, verts->y);
+               regis_absv(verts->x >> 16, verts->y >> 16);
        }
        regis_end_vector();
 }