177 lines
3.9 KiB
C
177 lines
3.9 KiB
C
#ifndef HEX_H
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#define HEX_H
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#include "gpu.h"
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#include "vulkan/vulkan_core.h"
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#define MAX_RAYS 10
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#define MAX_HIGHLIGHTS 10
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#define MAX_POINTS 10
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#define MAX_LOADED_REGIONS 2500
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#define REGION_SIZE 10
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#define REGION_HEX_COUNT (3*REGION_SIZE*(REGION_SIZE-1)+1)
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#define HEX_X 0.75
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#define SQRT3 1.732050807568877193176604123436845839023590087890625
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#define HEX_Z (SQRT3/2)
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#define REGION_DIAMETER (2*REGION_SIZE-1)
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#define REGION_WIDTH (HEX_X*REGION_DIAMETER)
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#define REGION_HEIGHT (HEX_Z*REGION_DIAMETER)
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#define max(a, b) ((a > b) ? a : b)
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#define min(a, b) ((a < b) ? a : b)
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typedef struct HexCoordStruct {
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int32_t q;
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int32_t r;
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} HexCoord;
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extern vec3 hex_vertices[];
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extern vec3 hex_starts[];
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extern vec3 hex_directions[];
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extern HexCoord hex_starts_qr[];
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extern HexCoord hex_directions_qr[];
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extern int hex_indices[];
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typedef struct GPUHexStruct {
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float height[6];
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uint32_t color[7];
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} GPUHex;
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typedef struct GPUHexRegionStruct {
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HexCoord position;
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int32_t y;
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uint32_t map;
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GPUHex hexes[REGION_HEX_COUNT];
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} GPUHexRegion;
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typedef struct HexRegionStruct {
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VkDeviceAddress address;
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VkBuffer region;
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VmaAllocation region_memory;
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GPUHexRegion data;
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} HexRegion;
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typedef struct GPURayStruct {
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vec4 start;
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vec4 end;
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vec4 color;
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} GPURay;
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typedef struct GPUHighlightStruct {
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vec4 color;
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uint32_t region;
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uint32_t hex;
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float offset;
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} GPUHighlight;
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typedef struct GPUPointStruct {
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vec4 color;
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uint32_t region;
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uint32_t hex;
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uint32_t vertex;
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float size;
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float offset;
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} GPUPoint;
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typedef struct GPUHexContextStruct {
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mat4 proj;
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mat4 view;
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uint32_t current_map;
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VkDeviceAddress rays;
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VkDeviceAddress points;
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VkDeviceAddress highlights;
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VkDeviceAddress regions[MAX_LOADED_REGIONS];
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} GPUHexContext;
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typedef struct HexContextStruct {
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VkDeviceAddress address[MAX_FRAMES_IN_FLIGHT];
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VkBuffer context[MAX_FRAMES_IN_FLIGHT];
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VmaAllocation context_memory[MAX_FRAMES_IN_FLIGHT];
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VkBuffer rays[MAX_FRAMES_IN_FLIGHT];
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VkBuffer points[MAX_FRAMES_IN_FLIGHT];
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VkBuffer highlights[MAX_FRAMES_IN_FLIGHT];
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VmaAllocation rays_memory[MAX_FRAMES_IN_FLIGHT];
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VmaAllocation points_memory[MAX_FRAMES_IN_FLIGHT];
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VmaAllocation highlights_memory[MAX_FRAMES_IN_FLIGHT];
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GPURay rays_buffer[MAX_RAYS];
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GPUHighlight highlights_buffer[MAX_HIGHLIGHTS];
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GPUPoint points_buffer[MAX_POINTS];
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mat4 inverse;
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GraphicsPipeline graphics;
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GraphicsPipeline highlight_pipeline;
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GraphicsPipeline point_pipeline;
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GraphicsPipeline ray_pipeline;
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HexRegion* regions[MAX_LOADED_REGIONS];
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GPUHexContext data;
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} HexContext;
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typedef struct HexPushConstantStruct {
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VkDeviceAddress context;
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double time;
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} HexPushConstant;
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VkResult create_hex_context(
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RenderContext* gpu,
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HexContext* context);
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VkResult set_hex_region(
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HexRegion* region,
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HexContext* hex,
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RenderContext* gpu);
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VkResult allocate_hex_region(
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int32_t q, int32_t r, int32_t y,
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uint32_t map,
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HexRegion** region,
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HexContext* hex,
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RenderContext* gpu);
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VkResult free_hex_region(
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uint32_t region_index,
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HexContext* hex,
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RenderContext* gpu);
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bool ray_world_intersect(
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float* distance,
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uint32_t* vertex,
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uint32_t* rid,
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uint32_t* hid,
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vec4 ray_start,
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vec4 ray_end,
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HexContext* context);
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VkResult update_hex_proj(
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RenderContext* gpu,
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HexContext* hex);
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VkResult update_hex_view(
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vec3 position,
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vec2 rotation,
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double distance,
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RenderContext* gpu,
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HexContext* hex);
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void hex_qr(uint32_t hex, HexCoord* world);
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void region_qr(HexCoord region, HexCoord* world);
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void hex_add(HexCoord from, HexCoord* to);
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void hex_index(HexCoord world, HexCoord* region, uint32_t* hex);
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void hex_vertex_neighbors(
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uint32_t vertex, HexCoord hex,
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uint32_t n_vertex[2], HexCoord n_region[2], uint32_t n_hex[2]);
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void first_matching_region(HexCoord coord, int y, uint32_t* region, HexContext* context);
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#endif
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