278 lines
7.5 KiB
C++
278 lines
7.5 KiB
C++
/*
|
|
Minetest
|
|
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License along
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef TILE_HEADER
|
|
#define TILE_HEADER
|
|
|
|
#include "irrlichttypes.h"
|
|
#include "irr_v2d.h"
|
|
#include "irr_v3d.h"
|
|
#include <ITexture.h>
|
|
#include <IrrlichtDevice.h>
|
|
#include "threads.h"
|
|
#include <string>
|
|
#include <vector>
|
|
#include "util/numeric.h"
|
|
|
|
class IGameDef;
|
|
struct TileSpec;
|
|
struct TileDef;
|
|
|
|
/*
|
|
tile.{h,cpp}: Texture handling stuff.
|
|
*/
|
|
|
|
/*
|
|
Find out the full path of an image by trying different filename
|
|
extensions.
|
|
|
|
If failed, return "".
|
|
|
|
TODO: Should probably be moved out from here, because things needing
|
|
this function do not need anything else from this header
|
|
*/
|
|
std::string getImagePath(std::string path);
|
|
|
|
/*
|
|
Gets the path to a texture by first checking if the texture exists
|
|
in texture_path and if not, using the data path.
|
|
|
|
Checks all supported extensions by replacing the original extension.
|
|
|
|
If not found, returns "".
|
|
|
|
Utilizes a thread-safe cache.
|
|
*/
|
|
std::string getTexturePath(const std::string &filename);
|
|
|
|
void clearTextureNameCache();
|
|
|
|
/*
|
|
ITextureSource::generateTextureFromMesh parameters
|
|
*/
|
|
namespace irr {namespace scene {class IMesh;}}
|
|
struct TextureFromMeshParams
|
|
{
|
|
scene::IMesh *mesh;
|
|
core::dimension2d<u32> dim;
|
|
std::string rtt_texture_name;
|
|
bool delete_texture_on_shutdown;
|
|
v3f camera_position;
|
|
v3f camera_lookat;
|
|
core::CMatrix4<f32> camera_projection_matrix;
|
|
video::SColorf ambient_light;
|
|
v3f light_position;
|
|
video::SColorf light_color;
|
|
f32 light_radius;
|
|
};
|
|
|
|
/*
|
|
TextureSource creates and caches textures.
|
|
*/
|
|
|
|
class ISimpleTextureSource
|
|
{
|
|
public:
|
|
ISimpleTextureSource(){}
|
|
virtual ~ISimpleTextureSource(){}
|
|
virtual video::ITexture* getTexture(
|
|
const std::string &name, u32 *id = NULL) = 0;
|
|
};
|
|
|
|
class ITextureSource : public ISimpleTextureSource
|
|
{
|
|
public:
|
|
ITextureSource(){}
|
|
virtual ~ITextureSource(){}
|
|
virtual u32 getTextureId(const std::string &name)=0;
|
|
virtual std::string getTextureName(u32 id)=0;
|
|
virtual video::ITexture* getTexture(u32 id)=0;
|
|
virtual video::ITexture* getTexture(
|
|
const std::string &name, u32 *id = NULL)=0;
|
|
virtual video::ITexture* getTextureForMesh(
|
|
const std::string &name, u32 *id = NULL) = 0;
|
|
virtual IrrlichtDevice* getDevice()=0;
|
|
virtual bool isKnownSourceImage(const std::string &name)=0;
|
|
virtual video::ITexture* generateTextureFromMesh(
|
|
const TextureFromMeshParams ¶ms)=0;
|
|
virtual video::ITexture* getNormalTexture(const std::string &name)=0;
|
|
virtual video::SColor getTextureAverageColor(const std::string &name)=0;
|
|
virtual video::ITexture *getShaderFlagsTexture(TileDef *tiledef, TileSpec *tile)=0;
|
|
};
|
|
|
|
class IWritableTextureSource : public ITextureSource
|
|
{
|
|
public:
|
|
IWritableTextureSource(){}
|
|
virtual ~IWritableTextureSource(){}
|
|
virtual u32 getTextureId(const std::string &name)=0;
|
|
virtual std::string getTextureName(u32 id)=0;
|
|
virtual video::ITexture* getTexture(u32 id)=0;
|
|
virtual video::ITexture* getTexture(
|
|
const std::string &name, u32 *id = NULL)=0;
|
|
virtual IrrlichtDevice* getDevice()=0;
|
|
virtual bool isKnownSourceImage(const std::string &name)=0;
|
|
virtual video::ITexture* generateTextureFromMesh(
|
|
const TextureFromMeshParams ¶ms)=0;
|
|
|
|
virtual void processQueue()=0;
|
|
virtual void insertSourceImage(const std::string &name, video::IImage *img)=0;
|
|
virtual void rebuildImagesAndTextures()=0;
|
|
virtual video::ITexture* getNormalTexture(const std::string &name)=0;
|
|
virtual video::SColor getTextureAverageColor(const std::string &name)=0;
|
|
virtual video::ITexture *getShaderFlagsTexture(TileDef *tiledef, TileSpec *tile)=0;
|
|
};
|
|
|
|
IWritableTextureSource* createTextureSource(IrrlichtDevice *device);
|
|
|
|
#ifdef __ANDROID__
|
|
video::IImage * Align2Npot2(video::IImage * image, video::IVideoDriver* driver);
|
|
#endif
|
|
|
|
enum MaterialType{
|
|
TILE_MATERIAL_BASIC,
|
|
TILE_MATERIAL_ALPHA,
|
|
TILE_MATERIAL_LIQUID_TRANSPARENT,
|
|
TILE_MATERIAL_LIQUID_OPAQUE,
|
|
TILE_MATERIAL_WAVING_LEAVES,
|
|
TILE_MATERIAL_WAVING_PLANTS
|
|
};
|
|
|
|
// Material flags
|
|
// Should backface culling be enabled?
|
|
#define MATERIAL_FLAG_BACKFACE_CULLING 0x01
|
|
// Should a crack be drawn?
|
|
#define MATERIAL_FLAG_CRACK 0x02
|
|
// Should the crack be drawn on transparent pixels (unset) or not (set)?
|
|
// Ignored if MATERIAL_FLAG_CRACK is not set.
|
|
#define MATERIAL_FLAG_CRACK_OVERLAY 0x04
|
|
// Animation made up by splitting the texture to vertical frames, as
|
|
// defined by extra parameters
|
|
#define MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES 0x08
|
|
#define MATERIAL_FLAG_HIGHLIGHTED 0x10
|
|
|
|
/*
|
|
This fully defines the looks of a tile.
|
|
The SMaterial of a tile is constructed according to this.
|
|
*/
|
|
struct FrameSpec
|
|
{
|
|
FrameSpec():
|
|
texture_id(0),
|
|
texture(NULL),
|
|
normal_texture(NULL),
|
|
flags_texture(NULL)
|
|
{
|
|
}
|
|
u32 texture_id;
|
|
video::ITexture *texture;
|
|
video::ITexture *normal_texture;
|
|
video::ITexture *flags_texture;
|
|
};
|
|
|
|
struct TileSpec
|
|
{
|
|
TileSpec():
|
|
texture_id(0),
|
|
texture(NULL),
|
|
normal_texture(NULL),
|
|
flags_texture(NULL),
|
|
alpha(255),
|
|
material_type(TILE_MATERIAL_BASIC),
|
|
material_flags(
|
|
//0 // <- DEBUG, Use the one below
|
|
MATERIAL_FLAG_BACKFACE_CULLING
|
|
),
|
|
shader_id(0),
|
|
animation_frame_count(1),
|
|
animation_frame_length_ms(0),
|
|
rotation(0)
|
|
{
|
|
}
|
|
|
|
bool operator==(const TileSpec &other) const
|
|
{
|
|
return (
|
|
texture_id == other.texture_id &&
|
|
/* texture == other.texture && */
|
|
alpha == other.alpha &&
|
|
material_type == other.material_type &&
|
|
material_flags == other.material_flags &&
|
|
rotation == other.rotation
|
|
);
|
|
}
|
|
|
|
bool operator!=(const TileSpec &other) const
|
|
{
|
|
return !(*this == other);
|
|
}
|
|
|
|
// Sets everything else except the texture in the material
|
|
void applyMaterialOptions(video::SMaterial &material) const
|
|
{
|
|
switch (material_type) {
|
|
case TILE_MATERIAL_BASIC:
|
|
material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
|
|
break;
|
|
case TILE_MATERIAL_ALPHA:
|
|
material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
|
|
break;
|
|
case TILE_MATERIAL_LIQUID_TRANSPARENT:
|
|
material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
|
|
break;
|
|
case TILE_MATERIAL_LIQUID_OPAQUE:
|
|
material.MaterialType = video::EMT_SOLID;
|
|
break;
|
|
case TILE_MATERIAL_WAVING_LEAVES:
|
|
material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
|
|
break;
|
|
case TILE_MATERIAL_WAVING_PLANTS:
|
|
material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
|
|
break;
|
|
}
|
|
material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING)
|
|
? true : false;
|
|
}
|
|
|
|
void applyMaterialOptionsWithShaders(video::SMaterial &material) const
|
|
{
|
|
material.BackfaceCulling = (material_flags & MATERIAL_FLAG_BACKFACE_CULLING)
|
|
? true : false;
|
|
}
|
|
|
|
u32 texture_id;
|
|
video::ITexture *texture;
|
|
video::ITexture *normal_texture;
|
|
video::ITexture *flags_texture;
|
|
|
|
// Vertex alpha (when MATERIAL_ALPHA_VERTEX is used)
|
|
u8 alpha;
|
|
// Material parameters
|
|
u8 material_type;
|
|
u8 material_flags;
|
|
u32 shader_id;
|
|
// Animation parameters
|
|
u8 animation_frame_count;
|
|
u16 animation_frame_length_ms;
|
|
std::vector<FrameSpec> frames;
|
|
|
|
u8 rotation;
|
|
};
|
|
#endif
|