#ifndef HEX_H
#define HEX_H

#include "gpu.h"

#define REGION_SIZE 6
#define REGION_HEX_COUNT 3*REGION_SIZE*(REGION_SIZE-1)+1

typedef struct HexPushConstantStruct {
  VkDeviceAddress context;
  double time;
} HexPushConstant;

typedef struct GPUHexContextStruct {
  mat4 proj;
  mat4 view;
  VkDeviceAddress regions;
} GPUHexContext;

typedef struct HexContextStruct {
  VkDeviceAddress address;
  VkBuffer        context;
  VmaAllocation   context_memory;

  GraphicsPipeline graphics;
  ComputePipeline compute;

  GPUHexContext data;
} HexContext;

typedef struct GPUHexStruct {
  float    height[6];
  uint32_t color[6];
} GPUHex;

typedef struct GPUHexRegionStruct {
  uint32_t x;
  uint32_t y;

  GPUHex hexes[REGION_HEX_COUNT];
} GPUHexRegion;

typedef struct HexRegionStruct {
  uint32_t x;
  uint32_t y;

  VkDeviceAddress address;
  VkBuffer region;
  VmaAllocation region_memory;
} HexRegion;

VkResult create_hex_context(
  RenderContext* gpu,
  HexContext* context);

VkResult create_hex_region(
  uint32_t x, uint32_t y,
  HexRegion* region,
  RenderContext* gpu);

#endif