Add potato mode
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5d9038021a
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4 changed files with 95 additions and 7 deletions
9
TODO.txt
9
TODO.txt
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@ -1,5 +1,6 @@
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=========== GENERAL ==============
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- car shadow?
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- sound engine: probably all SFX will be procedurally generated, ok?
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- allow slowing down in air like in TM?
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- music?
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@ -7,10 +8,6 @@
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that be played by the frontend just ALL the time (maybe with the option in
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menu to just turn music off) -- simple frontends can just ignore music
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- allow car to be flipped upside down on start? with start block transform
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- make a simple rendering setting:
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- will exclude images and only draw solid colors, let's say only 16, so that
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memory usage is reduced, CPU rendering is relieved, executable is smaller
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AND frontend doesn't have to use RGB565 (it can basically choose any mode).
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- camera behavior? what if car is riding upside down (on magnet) etc?
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- compile time option to choose how many maps to include (for platforms with
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lower memory)
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@ -33,6 +30,10 @@
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=========== HANDLED ==============
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- allow stopping car rotation in air like in Trackmania
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- make a simple rendering setting:
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- will exclude images and only draw solid colors, let's say only 16, so that
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memory usage is reduced, CPU rendering is relieved, executable is smaller
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AND frontend doesn't have to use RGB565 (it can basically choose any mode).
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- drifting: passing some upper threshold on steering force should reduce
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steering friction until reaching some some lower threshold again probably
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- maybe allow some more air control, like slowing down with brakes, like in TM
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10
assets.h
10
assets.h
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@ -36,8 +36,8 @@ static const char *LCR_maps[] =
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"#;p0w0L #f5130" // bugs
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"#=f0s0 #fd110" // small labyrinth
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"#=c0p0 #fd110"
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"#>f0s0 #fd110" // small labyrinth
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"#oc0p0 #fd110"
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"#=f0s0 #f11d0"
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"#=c0p0 #f11d0"
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@ -153,6 +153,7 @@ uint16_t LCR_getFontChar(char c)
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#define LCR_IMAGE_GROUND_FAN 7
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#define LCR_IMAGE_CAR 20
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#if !LCR_SETTING_POTATO_GRAPHICS
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static const uint8_t LCR_images[] =
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{
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// 0: wall concrete
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@ -2178,7 +2179,7 @@ static const uint8_t LCR_images[] =
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0xe6,0xed,0xf1,0xfc,0xae,0xfa,0x89,0xf7,0x6b,0xc2,0xc2,0xe9,0xee,0xa7,0xa7,0xb5,
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0xb5,0xb5,0xa7,0xa7,0xf9,0xee,0xf9,0xe9,0xf7,0x89,0xf6,0xae,0xd2,0xf1,0xff,0xe6,
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0xff,0xfe,0xfd,0xed,0xfb,0xed,0xf1,0xf8,0xeb,0xf6,0xf5,0xf4,0xf3,0xf2,0xed,0xf0,
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// 7: ground sticker
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// 7: ground fan
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0x2c,0x63,0x4d,0x6b,0x08,0x42,0x00,0x00,0x08,0x00,0x10,0x00,0x18,0x00,0x00,0x01,
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0x08,0x01,0x10,0x01,0x18,0x01,0x00,0x02,0x08,0x02,0x10,0x02,0x18,0x02,0x00,0x03,
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0x08,0x03,0x10,0x03,0x18,0x03,0x00,0x04,0x08,0x04,0x10,0x04,0x18,0x04,0x00,0x05,
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@ -6225,9 +6226,11 @@ static const uint8_t LCR_images[] =
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0x15,0x15,0x15,0x15,0x15,0x15,0x15,0xa5,0xf7,0xcd,0xcd,0xcd,0xcd,0xcd,0xcd,0xfb,
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0x00,0xec,0xb6,0xb6,0xce,0x00,0xa5,0xa5,0x00,0x00,0xec,0xa5,0x01,0xcc,0xc1,0xc1
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};
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#endif // LCR_SETTING_POTATO_GRAPHICS
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void LCR_loadImage(unsigned int index)
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{
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#if !LCR_SETTING_POTATO_GRAPHICS
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LCR_currentImage.image = LCR_images + index * LCR_IMAGE_STORE_SIZE;
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for (int i = 0; i < 256; ++i)
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@ -6239,6 +6242,7 @@ void LCR_loadImage(unsigned int index)
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}
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LCR_currentImage.pixel = LCR_currentImage.image;
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#endif
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}
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/**
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77
renderer.h
77
renderer.h
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@ -12,6 +12,12 @@
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#define S3L_NEAR_CROSS_STRATEGY 1
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#define S3L_Z_BUFFER 1
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#if LCR_SETTING_POTATO_GRAPHICS
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#define S3L_PERSPECTIVE_CORRECTION 0
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#define S3L_NEAR_CROSS_STRATEGY 1
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#define S3L_FLAT 1
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#endif
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#include "small3dlib.h"
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/// Renderer specific unit, length of one map square.
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@ -190,6 +196,47 @@ void LCR_rendererDrawText(const char *text, int x, int y, uint16_t color,
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void _LCR_pixelFunc3D(S3L_PixelInfo *pixel)
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{
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#if LCR_SETTING_POTATO_GRAPHICS
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// simple shader for simplified graphics
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if (pixel->triangleID != LCR_renderer.previousTriID)
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{
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LCR_renderer.previousTriID = pixel->triangleID;
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LCR_renderer.flatAndTransparent = 0x630c; // base gray
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if (pixel->modelIndex < 8)
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{
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uint8_t tData =
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(LCR_renderer.mapTriangleData +
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LCR_renderer.chunkStarts[LCR_renderer.loadedChunks[
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pixel->modelIndex]])[pixel->triangleIndex];
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switch (tData & 0x0f)
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{
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case 3: LCR_renderer.flatAndTransparent &= ~(0x3008); break; // grass
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case 4: LCR_renderer.flatAndTransparent &= ~(0x0408); break; // mud
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case 5: LCR_renderer.flatAndTransparent |= 0x0010; break; // ice
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case 6: LCR_renderer.flatAndTransparent |= 0x8080; break; // acc
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case 7: LCR_renderer.flatAndTransparent &= ~(0x4208); break; // fan
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default: break;
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}
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tData &= 0x30;
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LCR_renderer.flatAndTransparent |=
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(((uint16_t) (tData)) >> 4) |
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(((uint16_t) (tData)) << 2) |
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(((uint16_t) (tData)) << 7);
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}
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else
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LCR_renderer.flatAndTransparent >>= 1; // car, darken
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LCR_renderer.flatAndTransparent += pixel->triangleIndex % 4;
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}
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LCR_drawPixelXYUnsafe(pixel->x,pixel->y,LCR_renderer.flatAndTransparent);
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#else // LCR_SETTING_POTATO_GRAPHICS
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// once we get a new triangle, we precompute things for it:
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if (pixel->triangleID != LCR_renderer.previousTriID)
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{
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@ -352,6 +399,7 @@ void _LCR_pixelFunc3D(S3L_PixelInfo *pixel)
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#endif
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LCR_drawPixelXYUnsafe(pixel->x,pixel->y,color);
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#endif // LCR_SETTING_POTATO_GRAPHICS
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}
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S3L_Index _LCR_rendererAddMapVert(S3L_Unit x, S3L_Unit y, S3L_Unit z)
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@ -1199,6 +1247,10 @@ void LCR_rendererDrawSky(int sky, S3L_Unit offsetH, S3L_Unit offsetV)
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{
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LCR_LOG2("drawing sky");
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#if LCR_SETTING_POTATO_GRAPHICS
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LCR_rendererDrawRect(0,0,LCR_EFFECTIVE_RESOLUTION_X,
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LCR_EFFECTIVE_RESOLUTION_Y,0x7bfd,0);
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#else
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int anchorPoint[2], y;
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unsigned long pixelIndex;
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unsigned int topColor, bottomColor;
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@ -1319,6 +1371,7 @@ void LCR_rendererDrawSky(int sky, S3L_Unit offsetH, S3L_Unit offsetV)
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y++;
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}
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#endif
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}
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void _LCR_rendererLoadMapChunk(uint8_t chunk, int8_t x, int8_t y, int8_t z)
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@ -1672,7 +1725,31 @@ void LCR_rendererDraw(void)
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LCR_rendererDrawLOD();
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LCR_LOG2("gonna render 3D scene");
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#if LCR_SETTING_POTATO_GRAPHICS
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/* in potato mode we render twice so that car is always in front of the
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level model (lack of precise depth causes artifacts otherwise) */
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LCR_renderer.carModel->config.visible = 0;
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LCR_renderer.ghostModel->config.visible = 0;
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S3L_drawScene(LCR_renderer.scene);
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for (int i = 0; i < LCR_renderer.scene.modelCount; ++i)
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LCR_renderer.scene.models[i].config.visible = 0;
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LCR_renderer.carModel->config.visible = 1;
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LCR_renderer.ghostModel->config.visible = 1;
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S3L_newFrame();
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S3L_drawScene(LCR_renderer.scene);
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for (int i = 0; i < LCR_renderer.scene.modelCount; ++i)
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LCR_renderer.scene.models[i].config.visible = 1;
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#else
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S3L_drawScene(LCR_renderer.scene);
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#endif
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LCR_LOG2("rendering 3D scene done");
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LCR_renderer.frame++;
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@ -164,4 +164,10 @@
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#define LCR_SETTING_DEBUG_PHYSICS_DRAW 0
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#endif
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#ifndef LCR_SETTING_POTATO_GRAPHICS
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/** Setting this will turn on very simple graphics without textures and etc.,
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can be good for very weak devices. */
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#define LCR_SETTING_POTATO_GRAPHICS 0
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#endif
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#endif // guard
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