patch from div0 for SPR_OVERHEAD sprites 'virtual perspective', looks better. Move...

[xonotic/darkplaces.git] / r_sprites.c

diff --git a/r_sprites.c b/r_sprites.c
index 133f3d13790553ab1b3bdec2e5257bfff4458200..64401e404f60562cb3924cddfaada224c172f6c9 100644 (file)
--- a/r_sprites.c
+++ b/r_sprites.c
@@ -8,6 +8,8 @@ extern cvar_t r_track_sprites;
 extern cvar_t r_track_sprites_flags;
 extern cvar_t r_track_sprites_scalew;
 extern cvar_t r_track_sprites_scaleh;
+extern cvar_t r_overheadsprites_perspective;
+extern cvar_t r_overheadsprites_pushback;
 
 #define TSF_ROTATE 1
 #define TSF_ROTATE_CONTINOUSLY 2
@@ -357,13 +359,17 @@ void R_Model_Sprite_Draw_TransparentCallback(const entity_render_t *ent, const r
                VectorScale(r_refdef.view.left, ent->scale, left);
                VectorScale(r_refdef.view.up, ent->scale, up);
                // offset
+               VectorCopy(r_refdef.view.up, up);
+               up[2] = up[2] + r_overheadsprites_perspective.value; VectorNormalize(up); // some rotation
+               VectorScale(up, ent->scale, up);
+               // offset (move nearer to player, yz is camera plane)
                VectorSubtract(r_refdef.view.origin, org, middle);
                VectorNormalize(middle);
-               org[0] = org[0] + middle[0]*17;
-               org[1] = org[1] + middle[1]*17;
-               org[2] = org[2] + middle[2]*17;
-               // simlulate a bit of perspective effect
-               up[2] = up[2] + 0.15;
+               org[0] = org[0] + middle[0]*r_overheadsprites_pushback.value;
+               org[1] = org[1] + middle[1]*r_overheadsprites_pushback.value;
+               org[2] = org[2] + middle[2]*r_overheadsprites_pushback.value;
+                // simlulate a bit of perspective effect
+               up[2] = up[2] + r_overheadsprites_perspective.value;
                break;
        }