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#include "utils.h"
#include "assets.h"
#include "entity.h"
#ifndef WORLD_H
#define WORLD_H
#define WORLD_ENTITY_MAX 5001
#define WORLD_PLANT_COUNT 2500
#define WORLD_UTILITY_POLE_COUNT 25
#define WORLD_PLACE_COUNT 1
#define WORLD_SIZE (Vector3){4096.0, 256.0, 4096.0}
#define WORLD_IMAGE_WIDTH 512
#define WORLD_IMAGE_HEIGHT 512
#define WORLD_IMAGE_SCALE 5.0
#define WORLD_GROUND_COLOR GREEN
#define WORLD_GROUND_BLUR 2
#define WORLD_GROUND_CONTRAST -30
#define WORLD_GROUND_IMAGE_NOISE 0.3
#define BVH_MAX 4 // Max entities per node.
#define BVH_MAX_BRANCH_COUNT 8
#define BVH_BOX_MAX 100.0
// Places.
#define PLACE_POND_MIN_DISTANCE 400 // Pond distance from center.
#define PLACE_POND_MAX_DISTANCE 600
#define PLACE_POND_DEPTH 10
#define PLACE_POND_OUTER_AREA 25
#define PLACE_POND_WALKING_AREA 7
// Characters.
#define WORLD_CHARACTER_COUNT 1
#define PLACE_SAMANTHAS_SPOT_SIZE 10
#define SAMANTHA_OFFSET (Vector3){0.0, 0.0, 2.0}
// UID for anything in the world.
typedef int16_t WorldUID;
typedef int Seed;
// Places.
enum {
PLACE_POND
};
typedef struct BVHNode {
BoundingBox box;
Vector3 position;
WorldUID entities[BVH_MAX]; // Only for leafs.
struct BVHNode* branches[BVH_MAX_BRANCH_COUNT];
int8_t branchCount;
} BVHNode;
#define UTILITY_LINE_COUNT 4
typedef struct {
Vector3 start;
Vector3 end;
} UtilityPoleLines[UTILITY_LINE_COUNT];
struct World {
Vector3 size;
Texture heightmapTexture;
Model heightmap;
Entity entities[WORLD_ENTITY_MAX];
WorldUID places[WORLD_PLACE_COUNT];
BVHNode bvh;
// Transforms for mesh instancing.
Matrix utilityPoleTransforms[WORLD_UTILITY_POLE_COUNT];
UtilityPoleLines utilityPoleLines[WORLD_UTILITY_POLE_COUNT - 1];
int bvhDebugSelect;
};
World createWorld(Seed seed, const Assets* assets);
void updateWorld(World* world, Game* game);
void freeWorld(World world);
// Dam, I wanta live in a free world ):
// When dealing with the world in 2d use y in place of z.
float getWorldHeightAtLocation(const World* world, float x, float y);
Vector2 worldPositionToPixel(const World* world, float x, float y);
WorldUID castRayAtWorld(const World* world, Ray ray, int* tests);
#endif
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