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Defines | |
| #define | TGA_FILE_NOT_FOUND 13 |
| #define | TGA_BAD_IMAGE_TYPE 14 |
| #define | TGA_BAD_DIMENSION 15 |
| #define | TGA_BAD_BITS 16 |
| #define | TGA_BAD_DATA 17 |
Functions | |
| void | InitGL (int Width, int Height) |
| main OpenGL initialization function | |
| void | UpdateAnimation (CWorld *ThisWorld) |
| main animation routine | |
| void | DrawGLScene (CWorld *ThisWorld) |
| main in-game drawing function | |
| void | DrawTiles (CWorld *ThisWorld) |
| draw the background tiles | |
| void | DrawObjects (CWorld *ThisWorld) |
| draw game world objects | |
| void | DrawStripe (float top, float bottom, float alpha) |
| draw a horizontal stripe on the screen | |
| void | DrawCircle (float radius) |
| draw a circle on the screen | |
| void | DrawStar (float radius) |
| draw a 'star' on the screen | |
| void | DrawDisc (float radius) |
| draw a disc on the screen | |
| void | InitStripeAlpha (void) |
| utility function to set the drawing stripe to full alpha | |
| void | DrawBarGraph (float top, float bottom, float left, float right, float fillPercent) |
| draws a 2D bar graph on the screen at a specified level | |
| void | DrawHUD (CWorld *ThisWorld) |
| draw the heads-up display | |
| void | renderBitmapString (float x, float y, float z, void *font, char *string) |
| void | InitTextures () |
| load textres from disk | |
| GLuint | LoadTextureRAW (const char *filename, int wrap) |
| load a texture from disk | |
| GLuint | LoadTextureTGA (const char *filename, int wrap) |
| loads a targa image | |
| GLuint | GetTexture (int texID) |
| return the texture handle associated with a texture ID | |
| GLuint | GetFrame (int animID, int frame) |
| gets the OpenGL texture ID associated with a particular frame of animation | |
| int | GetTotalFrames (int animID) |
| returns the total number of frames contained in an animation | |
| CAnimation * | GetAnimation (int animID) |
| returns a pointer to an animation object, given it's animation ID | |
| #define TGA_BAD_BITS 16 |
| #define TGA_BAD_DATA 17 |
| #define TGA_BAD_DIMENSION 15 |
| #define TGA_BAD_IMAGE_TYPE 14 |
| #define TGA_FILE_NOT_FOUND 13 |
| void DrawBarGraph | ( | float | top, | |
| float | bottom, | |||
| float | left, | |||
| float | right, | |||
| float | fillPercent | |||
| ) |
This function draws horizontal a 2D bar graph on the screen, allowing the screen position and dimensions to be specified, along with a value representing the percentage of the bar graph to be drawn 'filled'.
Definition at line 478 of file display.cpp.
Referenced by DrawHUD().
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| void DrawCircle | ( | float | radius | ) |
Used for various effects, including the 'Shock Wave' effect.
Definition at line 880 of file display.cpp.
References DegreesToRadians().
Referenced by MiniShock::Draw(), and Shockwave::Draw().
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| void DrawDisc | ( | float | radius | ) |
Used for various effects, including the 'Shock Wave' and 'Mini Shock' effects.
Definition at line 894 of file display.cpp.
References DegreesToRadians().
Referenced by Shockwave::Draw().
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| void DrawGLScene | ( | CWorld * | ThisWorld | ) |
This function draws the in-game graphics. It draws the base tile-map, the world objects, and the special effects.
Definition at line 61 of file display.cpp.
References CWorld::DrawEffects(), DrawHUD(), DrawObjects(), DrawTiles(), CWorld::fFinalZoom, CWorld::fZoomBias, CObject::iHealth, CWorld::iStartingState, Vector::Magnitude(), CWorld::Player, PLAYFIELD_SIZE, CObject::Position, Vector::Reverse(), STARTINGSTATE_GO, STARTINGSTATE_IDLE, STARTINGSTATE_READY, STARTINGSTATE_RUN, STARTINGSTATE_SET, STARTINGSTATE_VICTORY, Vector::x, and Vector::y.
Referenced by PlayGame().
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| void DrawHUD | ( | CWorld * | ThisWorld | ) |
Draw the heads-up information display to the screen. This includes game status information such as the players' health (bar graph), the players' current weapon and remaining ammunition, etc.
Definition at line 153 of file display.cpp.
References DrawBarGraph(), GetTexture(), CObject::iHealth, CObject::iWeapon, CWorld::Player, PLAYFIELD_SIZE, TEXID_POWERUP_BS, TEXID_POWERUP_HS, TEXID_POWERUP_LM, TEXID_POWERUP_PS, TEXID_POWERUP_SB, TEXID_TANK, WEAPONID_BOUNCY_SHOT, WEAPONID_HEAT_SEEKER, WEAPONID_LAND_MINE, WEAPONID_NULL, WEAPONID_PEA_SHOT, and WEAPONID_SUPER_BULLET.
Referenced by DrawGLScene().
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| void DrawObjects | ( | CWorld * | ThisWorld | ) |
Draw all game world objects to the screen. This includes players, powerups, blocks, and walls. This will also draw 'dead' objects that haven't been removed from the world.
Definition at line 365 of file display.cpp.
References CObject::bVisible, CObject::Draw(), CObject::Next, and CWorld::Objects.
Referenced by DrawGLScene().
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| void DrawStar | ( | float | radius | ) |
Used for various effects, including the 'Shock Wave' effect.
Definition at line 908 of file display.cpp.
References DegreesToRadians().
Referenced by Shockwave::Draw().
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| void DrawStripe | ( | float | top, | |
| float | bottom, | |||
| float | alpha | |||
| ) |
Draw a text accentuation stripe to help text stand out when written to the screen. the strip will fade in alpha over time. Use InitStripeAlpha() to reset the stripe's opacity after updating it's position on the screen.
Definition at line 450 of file display.cpp.
References stripeAlpha.
Referenced by PlayGame().
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| void DrawTiles | ( | CWorld * | ThisWorld | ) |
Draw the background tiles to the screen. This function uses a tile based method to render the backgound, one tile at a time, pulling data from the current world's tile map data array.
Definition at line 333 of file display.cpp.
References CELL_SIZE, CTile::iTexture, MAP_SIZE, textures, TILEMAP_DISTANCE, and CWorld::tiles.
Referenced by DrawGLScene().
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| CAnimation* GetAnimation | ( | int | animID | ) |
Definition at line 635 of file display.cpp.
References animations.
Referenced by TileAnim::Draw(), and TileAnim::Step().
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| GLuint GetFrame | ( | int | animID, | |
| int | frame | |||
| ) |
Definition at line 623 of file display.cpp.
References animations, and CAnimation::ipFrameTex.
Referenced by CObject::Draw(), and TileAnim::Draw().
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| GLuint GetTexture | ( | int | texID | ) |
Look up the OpenGL texture handle, given the texture ID associated with it.
Definition at line 617 of file display.cpp.
References textures.
Referenced by CObject::Draw(), TileStorm::Draw(), DrawHUD(), and DrawMenuBackground().
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| int GetTotalFrames | ( | int | animID | ) |
| void InitGL | ( | int | Width, | |
| int | Height | |||
| ) |
Sets all of the required OpenGL parameters to the game's defaults. Also sets up the viewing matrix.
Definition at line 36 of file display.cpp.
Referenced by main(), and ToggleFullScreen().
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| void InitStripeAlpha | ( | void | ) |
Definition at line 437 of file display.cpp.
References stripeAlpha.
Referenced by PlayGame().
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| void InitTextures | ( | ) |
Load all textures from disk and associate them with entries in the texture ID array.
Definition at line 500 of file display.cpp.
References animations, ANIMID_BROWN_HOP_IN, ANIMID_BROWNTANKEXPLODE, ANIMID_CRATECRUSH, ANIMID_EXPLOSION, ANIMID_GREEN_HOP_IN, ANIMID_GREENTANKEXPLODE, ANIMID_TANKROLL, CAnimation::ipFrameTex, LoadTextureTGA(), TEXID_BOUNCY_SHOT, TEXID_CRATE, TEXID_DIRT, TEXID_EZRAS_HEAD, TEXID_GRASS, TEXID_HEAT_SEEKER, TEXID_ICE, TEXID_LAND_MINE, TEXID_LAVA, TEXID_MENUBACK, TEXID_MUD, TEXID_PEA_SHOT, TEXID_POWERUP_BS, TEXID_POWERUP_HEALTH, TEXID_POWERUP_HS, TEXID_POWERUP_LM, TEXID_POWERUP_PS, TEXID_POWERUP_SB, TEXID_SAND, TEXID_SUPER_BULLET, TEXID_TANK, TEXID_TARMAC, TEXID_TNT_BLOCK, TEXID_WALL_BLOCK, TEXID_WATER, and textures.
Referenced by main(), and ToggleFullScreen().
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| GLuint LoadTextureRAW | ( | const char * | filename, | |
| int | wrap | |||
| ) |
Load a 256x256 RGB/8 .RAW file as a texture, and return a handle to it.
Definition at line 645 of file display.cpp.
| GLuint LoadTextureTGA | ( | const char * | filename, | |
| int | wrap | |||
| ) |
Loads a targa (.tga) image file from disk. Supported types are 8, 24 and 32 bit uncompressed images.
Definition at line 820 of file display.cpp.
References checkSize(), getData(), returnError(), TGA_BAD_BITS, TGA_BAD_DATA, TGA_BAD_DIMENSION, TGA_BAD_IMAGE_TYPE, and TGA_FILE_NOT_FOUND.
Referenced by InitTextures().
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| void renderBitmapString | ( | float | x, | |
| float | y, | |||
| float | z, | |||
| void * | font, | |||
| char * | string | |||
| ) |
| void UpdateAnimation | ( | CWorld * | ThisWorld | ) |
Update the animation frames of all the objects in the game world that are currently animating. The routine will update each object's frame using an independent delay variable, referenced to the current world's time.
Definition at line 393 of file display.cpp.
References ANIM_CYCLE_CYCLE, ANIM_CYCLE_ONESHOT, animations, CObject::bAnimating, CObject::bAnimCycle, CObject::iAnimTimeStamp, CObject::iCurrentFrame, CWorld::iCurrentTime, CObject::iNormalAnim, CObject::iNormalAnimSpeed, CAnimation::iTotalFrames, CObject::Next, and CWorld::Objects.
Referenced by PlayGame().
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Copyright Windsor Schmidt 2006 - All rights reserved.