added enemy sprites, tanked the framerate... need to investigate

[gbajam22] / src / voxscape.c

diff --git a/src/voxscape.c b/src/voxscape.c
index 6eb5531..391c9ec 100644 (file)
--- a/src/voxscape.c
+++ b/src/voxscape.c
@@ -57,6 +57,9 @@ struct voxscape {
        uint8_t fogcolor;
 
        unsigned int valid;
+
+       struct vox_object *obj;
+       int num_obj, obj_stride;
 };
 
 int vox_quality = 1;
@@ -284,6 +287,7 @@ void vox_render_slice(struct voxscape *vox, int n)
        uint8_t color, last_col;
        uint16_t *fbptr;
        int proj;
+       struct vox_object *obj;
 
        z = vox->znear + n;
 
@@ -321,6 +325,17 @@ void vox_render_slice(struct voxscape *vox, int n)
                                fbptr += FBPITCH / 2;
                        }
                        vox->coltop[col] = hval;
+
+                       /* check to see if there's an object here */
+                       obj = vox->obj;
+                       for(j=0; j<vox->num_obj; j++) {
+                               if(obj->offs == offs) {
+                                       obj->px = col;
+                                       obj->py = colstart;
+                                       obj->scale = projlut[n];
+                               }
+                               obj = (struct vox_object*)((char*)obj + vox->obj_stride);
+                       }
                }
                x += xstep;
                y += ystep;
@@ -370,3 +385,20 @@ void vox_sky_grad(struct voxscape *vox, uint8_t chor, uint8_t ctop)
                }
        }
 }
+
+void vox_objects(struct voxscape *vox, struct vox_object *ptr, int count, int stride)
+{
+       int i;
+       struct vox_object *obj;
+
+       vox->obj = ptr;
+       vox->num_obj = count;
+       vox->obj_stride = stride;
+
+       obj = ptr;
+       for(i=0; i<count; i++) {
+               obj->offs = obj->y * XSZ + obj->x;
+               emuprint("%d,%d -> %d", obj->x, obj->y, obj->offs);
+               obj = (struct vox_object*)((char*)obj + stride);
+       }
+}