fix shaders for silly osx

game/modules/tome/data/gfx/shaders/fireball.frag

@@ -165,7 +165,7 @@ void main(void)
 
 	float phase = clamp((tick - tick_start) / explosion_time_factor, 0.0, 1.0);
 	if(is_exploding < 0.5)
-		phase = 0;
+		phase = 0.0;
 
 	float innerSpherePhase = clamp(phase / coreEndTime, 0.0, 1.0);
 	//vec3 color = clamp(gl_Color.rgb * (1.0 + pow(innerSpherePhase, 2.0) * 10.0), 0.0, 1.0);
@@ -234,7 +234,7 @@ void main(void)
 
 		float outerSpherePhase = clamp((phase - outerSphereStartTime) / (outerSphereEndTime - outerSphereStartTime), 0.0, 1.0);
 		vec4 outerSphereColor = vec4(0.0, 0.0, 0.0, 0.0);
-		if(outerSpherePhase > 0)
+		if(outerSpherePhase > 0.0)
 		{
 			float outerSphereRadius = innerSphereRadius + (0.5 - innerSphereRadius) * outerSpherePhase;
 			float sinAlpha = radiusLen / outerSphereRadius;

game/modules/tome/data/gfx/shaders/tree.frag

@@ -7,8 +7,8 @@ void main(void)
 {
 	float time = tick / 1000.0;
 	vec2 xy = gl_TexCoord[0].xy;
-//	if (xy.y <= 0.5) xy.x = xy.x + (0.5-xy.y) * sin(time + mapCoord.x / 40 + mapCoord.y) / 14.0;
-	if (xy.y <= 0.75) xy.x = xy.x + (0.75-xy.y) * sin(time + mapCoord.x / 40 + mapCoord.y) / attenuation;
+//	if (xy.y <= 0.5) xy.x = xy.x + (0.5-xy.y) * sin(time + mapCoord.x / 40.0 + mapCoord.y) / 14.0;
+	if (xy.y <= 0.75) xy.x = xy.x + (0.75-xy.y) * sin(time + mapCoord.x / 40.0 + mapCoord.y) / attenuation;
 //	xy.x = xy.x + (1.0-xy.y) * sin(time + mapCoord.x / 40 + mapCoord.y) / attenuation;
 	gl_FragColor = texture2D(tex, xy) * gl_Color;
 }

game/modules/tome/data/gfx/shaders/unique_glow.frag

@@ -24,7 +24,7 @@ void main(void)
 			sample += texture2D(tex, vec2(gl_TexCoord[0].xy+vec2(float(i)*offset.x, float(j)*offset.y)));
 		}
 	}
-	sample /= float((blursize*2.0) * (blursize*2.0));
+	sample /= (float(blursize)*2.0) * (float(blursize)*2.0));
 
 	float a = 1.0-center.a;