Small tweaks while debugging. Will get 1:1 traversal working 100% before tackling jump_power

kernels/ray_caster_kernel.cl

@@ -74,8 +74,7 @@ float4 view_light(float4 in_color, float3 light, float4 light_color, float3 view
 	float diffuse = max(dot(normalize(convert_float3(mask)), normalize(light)), 0.1f);
 	float specular = 0.0f;
 
-	if (diffuse > 0.0f)
-	{
+	if (diffuse > 0.0f)	{
 		// Small dots of light are caused by floating point error
 		// flipping bits on the face mask and screwing up this calculation
 		float3 halfwayVector = normalize(normalize(light) + normalize(view));
@@ -84,12 +83,6 @@ float4 view_light(float4 in_color, float3 light, float4 light_color, float3 view
 	}
 
 	in_color += diffuse * light_color + specular * light_color / d;
-
-	//in_color = pow(in_color, (float4)(1.0/2.2));
-	// This creates that blown out color look
-	//in_color.xyz += in_color.w * 0.002f;
-
-	//in_color.w += 0.8f;
 	return in_color;
 }
 
@@ -298,7 +291,7 @@ __kernel void raycaster(
 	// it over the axis like we want. So here, isless returns a boolean if intersection_t
 	// is less than 0 which dictates whether or not we subtract the delta which in effect
 	// mirrors the offset
-	intersection_t -= delta_t * convert_float3(isless(intersection_t, 0));
+	intersection_t += delta_t * convert_float3(isless(intersection_t, 0));
 
 	int distance_traveled = 0;
 	int max_distance = 700;

src/Application.cpp

@@ -30,7 +30,7 @@ bool Application::init_clcaster() {
 	sf::Image bitmap = map->GenerateHeightBitmap(sf::Vector3i(MAP_X, MAP_Y, MAP_Z));
 	map->ApplyHeightmap(bitmap);
 	
-	map->octree.CastRayOctree(sf::Vector2f(1.5f, -2.0f), sf::Vector3f(5.0f, 5.0f, 5.0f));
+	map->octree.CastRayOctree(sf::Vector2f(1.5f, -2.0f), sf::Vector3f(5.1f, 5.1f, 5.1f));
 
 	raycaster->assign_octree(map);
 	raycaster->assign_map(map);

src/map/ArrayMap.cpp

@@ -8,6 +8,7 @@ ArrayMap::ArrayMap(sf::Vector3i dimensions) {
 
 	voxel_data = new char[dimensions.x * dimensions.y * dimensions.z];
 	for (int i = 0; i < dimensions.x * dimensions.y * dimensions.z; i++) {
+		voxel_data[i] = 0;
 		voxel_data[i] = 1;
 	}
 

src/map/Octree.cpp

@@ -358,7 +358,7 @@ std::vector<std::tuple<sf::Vector3i, char>> Octree::CastRayOctree(
 ) {
 
 	// Setup the voxel coords from the camera origin
-	sf::Vector3i voxel(0, 0, 0);
+	sf::Vector3i voxel(cam_pos);
 
 	// THIS DOES NOT HAVE TO RETURN TRUE ON FOUND
 	// This function when passed an "air" voxel will return as far down
@@ -417,10 +417,11 @@ std::vector<std::tuple<sf::Vector3i, char>> Octree::CastRayOctree(
 	// for all 3 axis XYZ. We take the full positive cardinality when
 	// subtracting the floor, so we must transfer the sign over from
 	// the voxel step
+	
 	sf::Vector3f intersection_t(
-		delta_t.x * (cam_pos.y - floor(cam_pos.x)) * voxel_step.x,
-		delta_t.y * (cam_pos.x - floor(cam_pos.y)) * voxel_step.y,
-		delta_t.z * (cam_pos.z - floor(cam_pos.z)) * voxel_step.z
+		delta_t.x * (cam_pos.y - ceil(cam_pos.x)) * voxel_step.x,
+		delta_t.y * (cam_pos.x - ceil(cam_pos.y)) * voxel_step.y,
+		delta_t.z * (cam_pos.z - ceil(cam_pos.z)) * voxel_step.z
 	);
 
 	// When we transfer the sign over, we get the correct direction of 
@@ -475,7 +476,11 @@ std::vector<std::tuple<sf::Vector3i, char>> Octree::CastRayOctree(
 		int mask_index = traversal_state.idx_stack[traversal_state.scale];
 
 		// Whether or not the next oct we want to enter in the current CD's valid mask is 1 or 0
-		bool is_valid = (traversal_state.parent_stack[traversal_state.parent_stack_position] >> 16) & mask_8[mask_index];
+		bool is_valid = false;
+		
+		// TODO: Rework this logic so we don't have this bodgy if
+		if (mask_index > prev_val)
+			is_valid = (traversal_state.parent_stack[traversal_state.parent_stack_position] >> 16) & mask_8[mask_index];
 		
 		// Check to see if the idx increased or decreased	
 		// If it decreased
@@ -486,8 +491,8 @@ std::vector<std::tuple<sf::Vector3i, char>> Octree::CastRayOctree(
 
 			// Keep track of the 0th edge of out current oct
 			traversal_state.oct_pos.x = floor(voxel.x / 2) * jump_power;
-			traversal_state.oct_pos.y = floor(voxel.x / 2) * jump_power;
-			traversal_state.oct_pos.z = floor(voxel.x / 2) * jump_power;
+			traversal_state.oct_pos.y = floor(voxel.y / 2) * jump_power;
+			traversal_state.oct_pos.z = floor(voxel.z / 2) * jump_power;
 
 			// Clear and pop the idx stack
 			traversal_state.idx_stack[traversal_state.scale] = 0;
@@ -590,12 +595,12 @@ std::vector<std::tuple<sf::Vector3i, char>> Octree::CastRayOctree(
 
 
 
-		if (voxel.x >= map_dim->x || voxel.y >= map_dim->y || voxel.z >= map_dim->z) {
-			return travel_path;
-		}
-		if (voxel.x < 0 || voxel.y < 0 || voxel.z < 0) {
-			return travel_path;
-		}
+		//if (voxel.x >= map_dim->x || voxel.y >= map_dim->y || voxel.z >= map_dim->z) {
+		//	return travel_path;
+		//}
+		//if (voxel.x < 0 || voxel.y < 0 || voxel.z < 0) {
+		//	return travel_path;
+		//}
 
 		// If we hit a voxel
 		//voxel_data = map[voxel.x + (*map_dim).x * (voxel.y + (*map_dim).z * (voxel.z))];