Various tweaks and modifications

Some preliminary testing of map

CMakeLists.txt

@@ -22,6 +22,10 @@ message(STATUS "OpenCL found: ${OPENCL_FOUND}")
 find_package(GLEW REQUIRED)
 message(STATUS "GLEW found: ${GLEW_FOUND}")
 
+# Find Vulkan
+#find_package(VULKAN REQUIRED)
+#message(STATUS "VULKAN found: ${VULKAN_FOUND}")
+
 # Find OpenGL
 find_package( OpenGL REQUIRED)
 message(STATUS "OpenGL found: ${OPENGL_FOUND}")
@@ -30,6 +34,7 @@ message(STATUS "OpenGL found: ${OPENGL_FOUND}")
 include_directories(${SFML_INCLUDE_DIR})
 include_directories(${OpenCL_INCLUDE_DIRS})
 include_directories(${OpenGL_INCLUDE_DIRS})
+#include_directories(${Vulkan_INCLUDE_DIRS})
 include_directories(include)
 
 # Glob all thr sources into their values
@@ -53,6 +58,7 @@ target_link_libraries (${PNAME} ${SFML_LIBRARIES} ${SFML_DEPENDENCIES})
 target_link_libraries (${PNAME} ${OpenCL_LIBRARY})
 target_link_libraries (${PNAME} ${OPENGL_LIBRARIES})
 target_link_libraries (${PNAME} ${GLEW_LIBRARIES})
+#target_link_libraries (${PNAME} ${Vulkan_LIBRARIES})
 
 # Setup to use C++11
 set_property(TARGET ${PNAME} PROPERTY CXX_STANDARD 11) # Use C++11

include/Map.h

@@ -16,6 +16,7 @@
 #include <math.h>
 
 #define CHUNK_DIM 32
+#define OCT_DIM 64
 
 struct KeyHasher {
 	std::size_t operator()(const sf::Vector3i& k) const {
@@ -57,6 +58,15 @@ protected:
 private:
 
 
+	int64_t generate_children(sf::Vector3i pos, int dim);
+
+
+	int64_t block[1024];
+	int stack_position = 0;
+	char getVoxel(sf::Vector3i pos);
+	char* voxel_data = new char[OCT_DIM * OCT_DIM * OCT_DIM];
+
+
 	std::unordered_map<sf::Vector3i, Chunk, KeyHasher> chunk_map;
 
 	double* height_map;

kernels/ray_caster_kernel.cl

@@ -75,6 +75,17 @@ float4 cast_light_rays(
 	//			if it does
 }
 
+int rand(int* seed) // 1 <= *seed < m
+{
+	int const a = 16807; //ie 7**5
+	int const m = 2147483647; //ie 2**31-1
+
+	*seed = ((*seed) * a) % m;
+	return(*seed);
+}
+
+
+
 __kernel void raycaster(
         global char* map,
         global int3* map_dim,
@@ -85,9 +96,17 @@ __kernel void raycaster(
 		global float* lights,
 		global int* light_count,
         __write_only image2d_t image,
-		global int* seed
+		global int* seed_memory
 ){
 
+
+	int global_id = get_global_id(1) * get_global_size(0) + get_global_id(0);
+	int seed = seed_memory[global_id];
+	int random_number = rand(&seed);
+	seed_memory[global_id] = seed;
+
+
+
     size_t id = get_global_id(0);
     int2 pixel = {id % (*resolution).x, id / (*resolution).x};
     float3 ray_dir = projection_matrix[pixel.x + (*resolution).x * pixel.y];
@@ -139,19 +158,18 @@ __kernel void raycaster(
 	}
 
 	// use a ghetto ass rng to give rays a "fog" appearance 
-	int2 randoms = { seed, ray_dir.y };
+	int2 randoms = { random_number, 14 };
 	uint tseed = randoms.x + id;
 	uint t = tseed ^ (tseed << 11);
 	uint result = randoms.y ^ (randoms.y >> 19) ^ (t ^ (t >> 8));
-	*seed = result % 50;
 
 	int max_dist = 800 + result % 100;
 	int dist = 0;
 
 	int3 mask = { 0, 0, 0 };
 	float4 color = { 0.73, 0.81, 0.89, 0.6 };
-	float4 c = (float4)(0.40, 0.00, 0.40, 0.2);
+	float4 c = (float4)(0.60, 0.00, 0.40, 0.1);
-	c.x += ray_dir.y;// (result % 100) / 100;
+	c.x += (result % 100) / 10;
 
     // Andrew Woo's raycasting algo
     do {

notes/notes.cpp

@@ -8,7 +8,6 @@ OpenCL:
 	- Separate out into a part of the rendering module
 
 Map:
-	- Reimplement the old map, put it into an old_map structure
 	- Implement the new octree structure
 		- storing the pre-octree volumetric data
 		- determining when to load volumetric data into the in-memory structure
@@ -28,5 +27,15 @@ Renderer:
 	  
 	  
 	  
+	  
+	  
+	  
+	  
+	  
+Build:
+	Z:\Cpp_Libs\SFML-Visual_Studio2015RCx64
+	Z:/Cpp_Libs/glew-2.0.0/lib/Release/x64/glew32s.lib
+	Z:/Cpp_Libs/glew-2.0.0/include
+	  
 */
 

src/Camera.cpp

@@ -71,11 +71,11 @@ int Camera::update(double delta_time) {
 	// have to do it component wise
 	double multiplier = 40;
 
-	position.x += movement.x * delta_time * multiplier;
+	position.x += static_cast<float>(movement.x * delta_time * multiplier);
-	position.y += movement.y * delta_time * multiplier;
+	position.y += static_cast<float>(movement.y * delta_time * multiplier);
-	position.z += movement.z * delta_time * multiplier;
+	position.z += static_cast<float>(movement.z * delta_time * multiplier);
 	
-	movement *= (float)(friction_coefficient * delta_time * multiplier);
+	movement *= static_cast<float>(friction_coefficient * delta_time * multiplier);
 	
 	return 1;
 }

src/GL_Testing.cpp

@@ -4,10 +4,10 @@ GL_Testing::GL_Testing() {
 
 	GLfloat tmp[] = {
 
-		1, 0, 0, 0,
+		1.0f, 0.0f, 0.0f, 0.0f,
-		0, cos(1), sin(1), 0,
+		0.0f, static_cast<float>(cos(1.0f)), static_cast<float>(sin(1.0f)), 0.0f,
-		0, -sin(1), cos(1), 0,
+		0.0f, static_cast<float>(-sin(1.0f)), static_cast<float>(cos(1.0f)), 0.0f,
-		0, 0, 0, 1
+		0.0f, 0.0f, 0.0f, 1.0f
 
 	};
 
@@ -132,10 +132,10 @@ void GL_Testing::rotate(double delta) {
 
 	GLfloat tmp[] = {
 
-		1, 0, 0, 0,
+		1.0f, 0.0f, 0.0f, 0.0f,
-		0, cos(counter), sin(counter), 0,
+		0.0f, static_cast<float>(cos(counter)), static_cast<float>(sin(counter)), 0.0f,
-		0, -sin(counter), cos(counter), 0,
+		0.0f, static_cast<float>(-sin(counter)), static_cast<float>(cos(counter)), 0.0f,
-		0, 0, 0, 1
+		0.0f, 0.0f, 0.0f, 1.0f
 
 	};
 

src/Hardware_Caster.cpp

@@ -37,9 +37,10 @@ int Hardware_Caster::init() {
 	}
 
 	srand(NULL);
-	int seed = rand();
 
-	create_buffer("seed", sizeof(int), &seed);
+	int *seed_memory = new int[1920*1080];
+
+	create_buffer("seed", sizeof(int) * 1920 * 1080, seed_memory);
 
 	return 1;
 
@@ -87,7 +88,7 @@ void Hardware_Caster::validate()
 		set_kernel_arg("raycaster", 8, "image");
 		set_kernel_arg("raycaster", 9, "seed");
 
-		print_kernel_arguments();
+		//print_kernel_arguments();
 	}
 
 	
@@ -180,7 +181,7 @@ void Hardware_Caster::assign_lights(std::vector<Light> lights) {
 
 	this->lights = std::vector<Light>(lights);
 
-	light_count = lights.size();
+	light_count = static_cast<int>(lights.size());
 
 	create_buffer("lights", sizeof(float) * 10 * light_count, this->lights.data(), CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR);
 
@@ -229,7 +230,7 @@ int Hardware_Caster::acquire_platform_and_device() {
 		if (assert(error, "clGetDeviceIDs"))
 			return OPENCL_ERROR;
 
-		for (int q = 0; q < deviceIdCount; q++) {
+		for (unsigned int q = 0; q < deviceIdCount; q++) {
 
 			device d;
 

src/Map.cpp

@@ -1,8 +1,63 @@
 #include "Map.h"
 
+
+
+
+
+//  root
+//  
+//  a1 
+//  a2
+//  
+//  b1
+//  b1
+//  
+//  c1
+//  c1
+//  
+//  a2
+//  a2
+//  
+//  
+//  
+//  
+//  
+//  
+//  
+//  
+//  
+//  
+//  
+//  
+//  
+//  
+//  
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 Map::Map(sf::Vector3i position) {
 	
 	load_unload(position);
+
+	for (int i = 0; i < 8192; i++) {
+		block[i] = 0;
+	}
 }
 
 int BitCount(unsigned int u) {
@@ -12,6 +67,30 @@ int BitCount(unsigned int u) {
 	return ((uCount + (uCount >> 3)) & 030707070707) % 63;
 }
 
+void SetBit(int position, char* c) {
+	*c |= 1 << position;
+}
+
+void FlipBit(int position, char* c) {
+	*c ^= 1 << position;
+}
+
+int GetBit(int position, char* c) {
+	return (*c >> position) & 1;
+}
+
+void SetBit(int position, int64_t* c) {
+	*c |= 1 << position;
+}
+
+void FlipBit(int position, int64_t* c) {
+	*c ^= 1 << position;
+}
+
+int GetBit(int position, int64_t* c) {
+	return (*c >> position) & 1;
+}
+
 struct leaf {
     leaf *children;
     char leaf_mask;
@@ -24,6 +103,103 @@ struct block {
 	double* data = new double[1000];
 };
 
+int64_t generate_children_at_raw() {
+
+	int64_t t;
+
+	// count the raw data and insert via bit masks or whatever into the valid field
+
+	// Set the child pointer blank and the leaf mask blank as well
+
+	// Return the single value
+
+	return t;
+}
+
+int64_t Map::generate_children(sf::Vector3i pos, int dim) {
+
+	sf::Vector3i t1 = sf::Vector3i(pos.x, pos.y, pos.z);
+	sf::Vector3i t2 = sf::Vector3i(pos.x + dim, pos.y, pos.z);
+	sf::Vector3i t3 = sf::Vector3i(pos.x, pos.y + dim, pos.z);
+	sf::Vector3i t4 = sf::Vector3i(pos.x + dim, pos.y + dim, pos.z);
+
+	sf::Vector3i t5 = sf::Vector3i(pos.x, pos.y, pos.z + dim);
+	sf::Vector3i t6 = sf::Vector3i(pos.x + dim, pos.y, pos.z + dim);
+	sf::Vector3i t7 = sf::Vector3i(pos.x, pos.y + dim, pos.z + dim);
+	sf::Vector3i t8 = sf::Vector3i(pos.x + dim, pos.y + dim, pos.z + dim);
+
+	std::vector<int64_t> cps;
+	int64_t tmp = 0;
+
+	if (dim == 1) {
+
+		if (getVoxel(t1))
+			SetBit(16, &tmp);
+		if (getVoxel(t2))
+			SetBit(16, &tmp);
+		if (getVoxel(t3))
+			SetBit(16, &tmp);
+		if (getVoxel(t4))
+			SetBit(16, &tmp);
+		if (getVoxel(t5))
+			SetBit(16, &tmp);
+		if (getVoxel(t6))
+			SetBit(16, &tmp);
+		if (getVoxel(t7))
+			SetBit(16, &tmp);
+		if (getVoxel(t8))
+			SetBit(16, &tmp);
+
+		cps.push_back(tmp);
+
+	}
+	else {
+
+		// Generate all 8 sub trees accounting for each of their unique positions
+		int curr_stack_pos = stack_position;
+
+
+
+		tmp = generate_children(t1, dim / 2);
+		if (tmp != 0)
+			cps.push_back(tmp);
+
+		tmp = generate_children(t2, dim / 2);
+		if (tmp != 0)
+			cps.push_back(tmp);
+
+		tmp = generate_children(t3, dim / 2);
+		if (tmp != 0)
+			cps.push_back(tmp);
+
+		tmp = generate_children(t4, dim / 2);
+		if (tmp != 0)
+			cps.push_back(tmp);
+
+		tmp = generate_children(t5, dim / 2);
+		if (tmp != 0)
+			cps.push_back(tmp);
+
+		tmp = generate_children(t6, dim / 2);
+		if (tmp != 0)
+			cps.push_back(tmp);
+
+		tmp = generate_children(t7, dim / 2);
+		if (tmp != 0)
+			cps.push_back(tmp);
+
+		tmp = generate_children(t8, dim / 2);
+		if (tmp != 0)
+			cps.push_back(tmp);
+
+	}
+
+
+	memcpy(&block[stack_position], cps.data(), cps.size() * sizeof(int64_t));
+	stack_position += cps.size();
+
+	return 0;
+}
 
 void Map::generate_octree() {
 
@@ -34,19 +210,40 @@ void Map::generate_octree() {
 
 	int* dataset = new int[32 * 32 * 32];
 	for (int i = 0; i < 32 * 32 * 32; i++) {
-		dataset[0] = i;
+		dataset[0] = rand() % 2;
 	}
 
-	int level = static_cast<int>(log2(32));
+
+
+	// levels defines how many levels to traverse before we hit raw data
+	// Will be the map width I presume. Will still need to handle how to swap in and out data.
+	// Possible have some upper static nodes that will stay full regardless of contents?
+	int levels = static_cast<int>(log2(64));
+
 
 	leaf top_node;
-	top_node.level = level;
 
-	for (int i = 0; i < 16 * 16 * 16; i++) {
+	int t_level = -1;
-		for (int i = 0; i < 8 * 8 * 8; i++) {
+	int b_level = 0;
-			for (int i = 0; i < 4 * 4 * 4; i++) {
+
+	for (int i1 = 0; i1 < 2 * 2 * 2; i1++) {
+		int b_level = 1;
+		for (int i2 = 0; i2 < 2 * 2 * 2; i2++) {
+			int b_level = 2;
+			for (int i3 = 0; i3 < 2 * 2 * 2; i3++) {
+				int b_level = 3;
+				
+				leaf l1;
+				l1.children = nullptr;
+				l1.leaf_mask = 0;
+				l1.valid_mask = 0;
+
 				for (int i = 0; i < 2 * 2 * 2; i++) {
 					
+					//int x = 
+
+
+					//if (dataset[]
 				}
 			}
 		}
@@ -127,6 +324,11 @@ void Map::setVoxel(sf::Vector3i world_position, int val) {
 
 }
 
+char Map::getVoxel(sf::Vector3i pos){
+
+	return voxel_data[pos.x + OCT_DIM * (pos.y + OCT_DIM * pos.z)];
+}
+
 void Chunk::set(int type) {
 	for (int i = 0; i < CHUNK_DIM * CHUNK_DIM * CHUNK_DIM; i++) {
 		voxel_data[i] = 0;

src/Old_map.cpp

@@ -136,14 +136,14 @@ void Old_Map::generate_terrain() {
 	}
 
 
-	for (int x = 0; x < dimensions.x / 10; x++) {
+	//for (int x = 0; x < dimensions.x / 10; x++) {
-		for (int y = 0; y < dimensions.y / 10; y++) {
+	//	for (int y = 0; y < dimensions.y / 10; y++) {
-			for (int z = 0; z < dimensions.z; z++) {
+	//		for (int z = 0; z < dimensions.z; z++) {
-				if (rand() % 1000 < 1)
+	//			if (rand() % 1000 < 1)
-					voxel_data[x + dimensions.x * (y + dimensions.z * z)] = rand() % 6;
+	//				voxel_data[x + dimensions.x * (y + dimensions.z * z)] = rand() % 6;
-			}
+	//		}
-		}
+	//	}
-	}
+	//}
 
 }
 

src/Ray.cpp

@@ -130,20 +130,12 @@ sf::Color Ray::Cast() {
         alpha *= 162;
 
         switch (voxel_data) {
-            case 1:
-                //  AngleBew0 - 1.57 * 162 = 0 - 255
-
-                return sf::Color(255, 0, 0, alpha);
-            case 2:
-                return sf::Color(255, 10, 0, alpha);
-            case 3:
-                return sf::Color(255, 0, 255, alpha);
-            case 4:
-                return sf::Color(80, 0, 150, alpha);
             case 5:
                 return sf::Color(255, 120, 255, alpha);
             case 6:
                 return sf::Color(150, 80, 220, alpha);
+			default:
+				return sf::Color(150, 80, 220, alpha);
         }
 
         dist++;

src/main.cpp

@@ -1,5 +1,6 @@
 #include "GL_Testing.h"
-
+#include <vulkan/vulkan.h>
+#include <vulkan/vk_sdk_platform.h>
 #ifdef linux
 #include <CL/cl.h>
 #include <CL/opencl.h>
@@ -66,6 +67,15 @@ sf::Texture window_texture;
 
 int main() {
 
+
+
+
+	Map _map(sf::Vector3i(0, 0, 0));
+	_map.generate_octree();
+
+
+	glewInit();
+
 	sf::RenderWindow window(sf::VideoMode(WINDOW_X, WINDOW_Y), "SFML");
 
 	GL_Testing t;