Michaël Lemaire
e082fedd19
git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@564 b1fd45b6-86a6-48da-8261-f70d1f35bdcc
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
#ifndef _PAYSAGES_TERRAIN_PUBLIC_H_
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#define _PAYSAGES_TERRAIN_PUBLIC_H_
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#include <stdlib.h>
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#include "../shared/types.h"
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#include "../tools/color.h"
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#include "../tools/euclid.h"
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#include "../noise.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum
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{
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TERRAIN_PRESET_STANDARD
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} TerrainPreset;
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typedef struct TerrainHeightMap TerrainHeightMap;
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typedef struct
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{
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double height;
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double scaling;
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double shadow_smoothing;
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TerrainHeightMap* height_map;
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double _detail;
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NoiseGenerator* _height_noise;
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double _min_height;
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double _max_height;
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} TerrainDefinition;
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typedef struct
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{
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Vector3 location;
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Vector3 normal;
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} TerrainResult;
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typedef double (*FuncTerrainGetHeight)(Renderer* renderer, double x, double z, int with_painting);
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typedef TerrainResult (*FuncTerrainGetResult)(Renderer* renderer, double x, double z, int with_painting, int with_textures);
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typedef Color (*FuncTerrainGetFinalColor)(Renderer* renderer, Vector3 location, double precision);
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typedef struct
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{
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TerrainDefinition* definition;
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FuncGeneralCastRay castRay;
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FuncTerrainGetHeight getHeight;
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FuncTerrainGetResult getResult;
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FuncTerrainGetFinalColor getFinalColor;
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void* _internal_data;
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} TerrainRenderer;
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extern StandardDefinition TerrainDefinitionClass;
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extern StandardRenderer TerrainRendererClass;
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void terrainAutoPreset(TerrainDefinition* definition, TerrainPreset preset);
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void terrainRenderSurface(Renderer* renderer);
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double terrainGetGridHeight(TerrainDefinition* definition, int x, int z, int with_painting);
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double terrainGetInterpolatedHeight(TerrainDefinition* definition, double x, double z, int with_painting);
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size_t terrainGetMemoryStats(TerrainDefinition* definition);
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Renderer* terrainCreatePreviewRenderer();
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Color terrainGetPreviewColor(Renderer* renderer, double x, double z, double detail);
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typedef struct
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{
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double relative_x;
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double relative_z;
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double hard_radius;
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double smoothed_size;
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double total_radius;
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} TerrainBrush;
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/* Heightmap manipulation */
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int terrainIsPainted(TerrainHeightMap* heightmap, int x, int z);
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void terrainBrushElevation(TerrainHeightMap* heightmap, TerrainBrush* brush, double value);
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void terrainBrushSmooth(TerrainHeightMap* heightmap, TerrainBrush* brush, double value);
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void terrainBrushAddNoise(TerrainHeightMap* heightmap, TerrainBrush* brush, NoiseGenerator* generator, double value);
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void terrainBrushReset(TerrainHeightMap* heightmap, TerrainBrush* brush, double value);
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void terrainBrushFlatten(TerrainHeightMap* heightmap, TerrainBrush* brush, double height, double force);
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void terrainEndBrushStroke(TerrainHeightMap* heightmap);
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#ifdef __cplusplus
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}
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#endif
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#endif
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