--- /dev/null
+/******************************************************************************
+
+gif_lib.h - service library for decoding and encoding GIF images
+
+*****************************************************************************/
+
+#ifndef _GIF_LIB_H_
+#define _GIF_LIB_H_ 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define GIFLIB_MAJOR 5
+#define GIFLIB_MINOR 1
+#define GIFLIB_RELEASE 4
+
+#define GIF_ERROR 0
+#define GIF_OK 1
+
+#include <stddef.h>
+#include <stdbool.h>
+
+#define GIF_STAMP "GIFVER" /* First chars in file - GIF stamp. */
+#define GIF_STAMP_LEN sizeof(GIF_STAMP) - 1
+#define GIF_VERSION_POS 3 /* Version first character in stamp. */
+#define GIF87_STAMP "GIF87a" /* First chars in file - GIF stamp. */
+#define GIF89_STAMP "GIF89a" /* First chars in file - GIF stamp. */
+
+typedef unsigned char GifPixelType;
+typedef unsigned char *GifRowType;
+typedef unsigned char GifByteType;
+typedef unsigned int GifPrefixType;
+typedef int GifWord;
+
+typedef struct GifColorType {
+ GifByteType Red, Green, Blue;
+} GifColorType;
+
+typedef struct ColorMapObject {
+ int ColorCount;
+ int BitsPerPixel;
+ bool SortFlag;
+ GifColorType *Colors; /* on malloc(3) heap */
+} ColorMapObject;
+
+typedef struct GifImageDesc {
+ GifWord Left, Top, Width, Height; /* Current image dimensions. */
+ bool Interlace; /* Sequential/Interlaced lines. */
+ ColorMapObject *ColorMap; /* The local color map */
+} GifImageDesc;
+
+typedef struct ExtensionBlock {
+ int ByteCount;
+ GifByteType *Bytes; /* on malloc(3) heap */
+ int Function; /* The block function code */
+#define CONTINUE_EXT_FUNC_CODE 0x00 /* continuation subblock */
+#define COMMENT_EXT_FUNC_CODE 0xfe /* comment */
+#define GRAPHICS_EXT_FUNC_CODE 0xf9 /* graphics control (GIF89) */
+#define PLAINTEXT_EXT_FUNC_CODE 0x01 /* plaintext */
+#define APPLICATION_EXT_FUNC_CODE 0xff /* application block */
+} ExtensionBlock;
+
+typedef struct SavedImage {
+ GifImageDesc ImageDesc;
+ GifByteType *RasterBits; /* on malloc(3) heap */
+ int ExtensionBlockCount; /* Count of extensions before image */
+ ExtensionBlock *ExtensionBlocks; /* Extensions before image */
+} SavedImage;
+
+typedef struct GifFileType {
+ GifWord SWidth, SHeight; /* Size of virtual canvas */
+ GifWord SColorResolution; /* How many colors can we generate? */
+ GifWord SBackGroundColor; /* Background color for virtual canvas */
+ GifByteType AspectByte; /* Used to compute pixel aspect ratio */
+ ColorMapObject *SColorMap; /* Global colormap, NULL if nonexistent. */
+ int ImageCount; /* Number of current image (both APIs) */
+ GifImageDesc Image; /* Current image (low-level API) */
+ SavedImage *SavedImages; /* Image sequence (high-level API) */
+ int ExtensionBlockCount; /* Count extensions past last image */
+ ExtensionBlock *ExtensionBlocks; /* Extensions past last image */
+ int Error; /* Last error condition reported */
+ void *UserData; /* hook to attach user data (TVT) */
+ void *Private; /* Don't mess with this! */
+} GifFileType;
+
+#define GIF_ASPECT_RATIO(n) ((n)+15.0/64.0)
+
+typedef enum {
+ UNDEFINED_RECORD_TYPE,
+ SCREEN_DESC_RECORD_TYPE,
+ IMAGE_DESC_RECORD_TYPE, /* Begin with ',' */
+ EXTENSION_RECORD_TYPE, /* Begin with '!' */
+ TERMINATE_RECORD_TYPE /* Begin with ';' */
+} GifRecordType;
+
+/* func type to read gif data from arbitrary sources (TVT) */
+typedef int (*InputFunc) (GifFileType *, GifByteType *, int);
+
+/* func type to write gif data to arbitrary targets.
+ * Returns count of bytes written. (MRB)
+ */
+typedef int (*OutputFunc) (GifFileType *, const GifByteType *, int);
+
+/******************************************************************************
+ GIF89 structures
+******************************************************************************/
+
+typedef struct GraphicsControlBlock {
+ int DisposalMode;
+#define DISPOSAL_UNSPECIFIED 0 /* No disposal specified. */
+#define DISPOSE_DO_NOT 1 /* Leave image in place */
+#define DISPOSE_BACKGROUND 2 /* Set area too background color */
+#define DISPOSE_PREVIOUS 3 /* Restore to previous content */
+ bool UserInputFlag; /* User confirmation required before disposal */
+ int DelayTime; /* pre-display delay in 0.01sec units */
+ int TransparentColor; /* Palette index for transparency, -1 if none */
+#define NO_TRANSPARENT_COLOR -1
+} GraphicsControlBlock;
+
+/******************************************************************************
+ GIF encoding routines
+******************************************************************************/
+
+/* Main entry points */
+GifFileType *EGifOpenFileName(const char *GifFileName,
+ const bool GifTestExistence, int *Error);
+GifFileType *EGifOpenFileHandle(const int GifFileHandle, int *Error);
+GifFileType *EGifOpen(void *userPtr, OutputFunc writeFunc, int *Error);
+int EGifSpew(GifFileType * GifFile);
+const char *EGifGetGifVersion(GifFileType *GifFile); /* new in 5.x */
+int EGifCloseFile(GifFileType *GifFile, int *ErrorCode);
+
+#define E_GIF_SUCCEEDED 0
+#define E_GIF_ERR_OPEN_FAILED 1 /* And EGif possible errors. */
+#define E_GIF_ERR_WRITE_FAILED 2
+#define E_GIF_ERR_HAS_SCRN_DSCR 3
+#define E_GIF_ERR_HAS_IMAG_DSCR 4
+#define E_GIF_ERR_NO_COLOR_MAP 5
+#define E_GIF_ERR_DATA_TOO_BIG 6
+#define E_GIF_ERR_NOT_ENOUGH_MEM 7
+#define E_GIF_ERR_DISK_IS_FULL 8
+#define E_GIF_ERR_CLOSE_FAILED 9
+#define E_GIF_ERR_NOT_WRITEABLE 10
+
+/* These are legacy. You probably do not want to call them directly */
+int EGifPutScreenDesc(GifFileType *GifFile,
+ const int GifWidth, const int GifHeight,
+ const int GifColorRes,
+ const int GifBackGround,
+ const ColorMapObject *GifColorMap);
+int EGifPutImageDesc(GifFileType *GifFile,
+ const int GifLeft, const int GifTop,
+ const int GifWidth, const int GifHeight,
+ const bool GifInterlace,
+ const ColorMapObject *GifColorMap);
+void EGifSetGifVersion(GifFileType *GifFile, const bool gif89);
+int EGifPutLine(GifFileType *GifFile, GifPixelType *GifLine,
+ int GifLineLen);
+int EGifPutPixel(GifFileType *GifFile, const GifPixelType GifPixel);
+int EGifPutComment(GifFileType *GifFile, const char *GifComment);
+int EGifPutExtensionLeader(GifFileType *GifFile, const int GifExtCode);
+int EGifPutExtensionBlock(GifFileType *GifFile,
+ const int GifExtLen, const void *GifExtension);
+int EGifPutExtensionTrailer(GifFileType *GifFile);
+int EGifPutExtension(GifFileType *GifFile, const int GifExtCode,
+ const int GifExtLen,
+ const void *GifExtension);
+int EGifPutCode(GifFileType *GifFile, int GifCodeSize,
+ const GifByteType *GifCodeBlock);
+int EGifPutCodeNext(GifFileType *GifFile,
+ const GifByteType *GifCodeBlock);
+
+/******************************************************************************
+ GIF decoding routines
+******************************************************************************/
+
+/* Main entry points */
+GifFileType *DGifOpenFileName(const char *GifFileName, int *Error);
+GifFileType *DGifOpenFileHandle(int GifFileHandle, int *Error);
+int DGifSlurp(GifFileType * GifFile);
+GifFileType *DGifOpen(void *userPtr, InputFunc readFunc, int *Error); /* new one (TVT) */
+ int DGifCloseFile(GifFileType * GifFile, int *ErrorCode);
+
+#define D_GIF_SUCCEEDED 0
+#define D_GIF_ERR_OPEN_FAILED 101 /* And DGif possible errors. */
+#define D_GIF_ERR_READ_FAILED 102
+#define D_GIF_ERR_NOT_GIF_FILE 103
+#define D_GIF_ERR_NO_SCRN_DSCR 104
+#define D_GIF_ERR_NO_IMAG_DSCR 105
+#define D_GIF_ERR_NO_COLOR_MAP 106
+#define D_GIF_ERR_WRONG_RECORD 107
+#define D_GIF_ERR_DATA_TOO_BIG 108
+#define D_GIF_ERR_NOT_ENOUGH_MEM 109
+#define D_GIF_ERR_CLOSE_FAILED 110
+#define D_GIF_ERR_NOT_READABLE 111
+#define D_GIF_ERR_IMAGE_DEFECT 112
+#define D_GIF_ERR_EOF_TOO_SOON 113
+
+/* These are legacy. You probably do not want to call them directly */
+int DGifGetScreenDesc(GifFileType *GifFile);
+int DGifGetRecordType(GifFileType *GifFile, GifRecordType *GifType);
+int DGifGetImageDesc(GifFileType *GifFile);
+int DGifGetLine(GifFileType *GifFile, GifPixelType *GifLine, int GifLineLen);
+int DGifGetPixel(GifFileType *GifFile, GifPixelType GifPixel);
+int DGifGetComment(GifFileType *GifFile, char *GifComment);
+int DGifGetExtension(GifFileType *GifFile, int *GifExtCode,
+ GifByteType **GifExtension);
+int DGifGetExtensionNext(GifFileType *GifFile, GifByteType **GifExtension);
+int DGifGetCode(GifFileType *GifFile, int *GifCodeSize,
+ GifByteType **GifCodeBlock);
+int DGifGetCodeNext(GifFileType *GifFile, GifByteType **GifCodeBlock);
+int DGifGetLZCodes(GifFileType *GifFile, int *GifCode);
+
+
+/******************************************************************************
+ Color table quantization (deprecated)
+******************************************************************************/
+int GifQuantizeBuffer(unsigned int Width, unsigned int Height,
+ int *ColorMapSize, GifByteType * RedInput,
+ GifByteType * GreenInput, GifByteType * BlueInput,
+ GifByteType * OutputBuffer,
+ GifColorType * OutputColorMap);
+
+/******************************************************************************
+ Error handling and reporting.
+******************************************************************************/
+extern const char *GifErrorString(int ErrorCode); /* new in 2012 - ESR */
+
+/*****************************************************************************
+ Everything below this point is new after version 1.2, supporting `slurp
+ mode' for doing I/O in two big belts with all the image-bashing in core.
+******************************************************************************/
+
+/******************************************************************************
+ Color map handling from gif_alloc.c
+******************************************************************************/
+
+extern ColorMapObject *GifMakeMapObject(int ColorCount,
+ const GifColorType *ColorMap);
+extern void GifFreeMapObject(ColorMapObject *Object);
+extern ColorMapObject *GifUnionColorMap(const ColorMapObject *ColorIn1,
+ const ColorMapObject *ColorIn2,
+ GifPixelType ColorTransIn2[]);
+extern int GifBitSize(int n);
+
+extern void *
+reallocarray(void *optr, size_t nmemb, size_t size);
+
+/******************************************************************************
+ Support for the in-core structures allocation (slurp mode).
+******************************************************************************/
+
+extern void GifApplyTranslation(SavedImage *Image, GifPixelType Translation[]);
+extern int GifAddExtensionBlock(int *ExtensionBlock_Count,
+ ExtensionBlock **ExtensionBlocks,
+ int Function,
+ unsigned int Len, unsigned char ExtData[]);
+extern void GifFreeExtensions(int *ExtensionBlock_Count,
+ ExtensionBlock **ExtensionBlocks);
+extern SavedImage *GifMakeSavedImage(GifFileType *GifFile,
+ const SavedImage *CopyFrom);
+extern void GifFreeSavedImages(GifFileType *GifFile);
+
+/******************************************************************************
+ 5.x functions for GIF89 graphics control blocks
+******************************************************************************/
+
+int DGifExtensionToGCB(const size_t GifExtensionLength,
+ const GifByteType *GifExtension,
+ GraphicsControlBlock *GCB);
+size_t EGifGCBToExtension(const GraphicsControlBlock *GCB,
+ GifByteType *GifExtension);
+
+int DGifSavedExtensionToGCB(GifFileType *GifFile,
+ int ImageIndex,
+ GraphicsControlBlock *GCB);
+int EGifGCBToSavedExtension(const GraphicsControlBlock *GCB,
+ GifFileType *GifFile,
+ int ImageIndex);
+
+/******************************************************************************
+ The library's internal utility font
+******************************************************************************/
+
+#define GIF_FONT_WIDTH 8
+#define GIF_FONT_HEIGHT 8
+extern const unsigned char GifAsciiTable8x8[][GIF_FONT_WIDTH];
+
+extern void GifDrawText8x8(SavedImage *Image,
+ const int x, const int y,
+ const char *legend, const int color);
+
+extern void GifDrawBox(SavedImage *Image,
+ const int x, const int y,
+ const int w, const int d, const int color);
+
+extern void GifDrawRectangle(SavedImage *Image,
+ const int x, const int y,
+ const int w, const int d, const int color);
+
+extern void GifDrawBoxedText8x8(SavedImage *Image,
+ const int x, const int y,
+ const char *legend,
+ const int border, const int bg, const int fg);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* _GIF_LIB_H */
+
+/* end */
#include <engine.hpp>
#include <particle.hpp>
#include <player.hpp>
+#include <render.hpp>
#include <world.hpp>
// math helpers because we don't trust stdlib
return point > left && point < right;
}
+std::vector<AttackSystem::AttackAnimation> AttackSystem::effects;
+
void AttackSystem::receive(const AttackEvent& ae)
{
attacks.emplace_front(ae);
en.each<Health, Position, Solid>([&](entityx::Entity e, Health& health, Position& pos, Solid& dim) {
if (!e.has_component<Player>() && inrange(ppos.x, pos.x, pos.x + dim.width) && inrange(ppos.y, pos.y - 2, pos.y + dim.height)) {
health.health -= hit.damage;
- e.replace<Flash>(Color(255, 0, 0));
+ if (hit.effect.size() == 0)
+ e.replace<Flash>(Color(255, 0, 0));
+ else
+ effects.emplace_back(vec2(ppos.x, ppos.y), hit.effect);
ParticleSystem::addMultiple(15, ParticleType::SmallBlast,
[&](){ return vec2(pos.x + dim.width / 2, pos.y + dim.height / 2); }, 300, 7);
die = !hit.pierce;
if (inrange(point.x, pos.x, pos.x + dim.width, HLINES(size.x)) &&
inrange(point.y, pos.y, pos.y + dim.height, HLINES(size.y))) {
h.health -= a.attack.power;
- e.replace<Flash>(Color(255, 0, 0));
- ParticleSystem::addMultiple(15, ParticleType::DownSlash,
- [&](){ return vec2(pos.x + dim.width / 2, pos.y + dim.height / 2); }, 300, 7);
+
+ if (a.attack.effect.size() == 0)
+ e.replace<Flash>(Color(255, 0, 0));
+ else
+ effects.emplace_back(point, a.attack.effect);
+ //ParticleSystem::addMultiple(15, ParticleType::DownSlash,
+ // [&](){ return vec2(pos.x + dim.width / 2, pos.y + dim.height / 2); }, 300, 7);
}
}
);
attacks.clear();
}
+#define RATE 3
+void AttackSystem::render(void)
+{
+ float z = -9.9f;
+ Render::worldShader.use();
+ Render::worldShader.enable();
+ for (auto& ae : effects) {
+ ae.effect(ae.counter / RATE); // bind current frame
+ auto dim = ae.effect.getTextureDim();
+ GLfloat verts[] = {
+ ae.pos.x, ae.pos.y, z, 0, 0,
+ ae.pos.x + dim.x, ae.pos.y, z, 1, 0,
+ ae.pos.x + dim.x, ae.pos.y + dim.y, z, 1, 1,
+ ae.pos.x + dim.x, ae.pos.y + dim.y, z, 1, 1,
+ ae.pos.x, ae.pos.y + dim.y, z, 0, 1,
+ ae.pos.x, ae.pos.y, z, 0, 0
+ };
+ glVertexAttribPointer(Render::worldShader.coord, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(GLfloat), verts);
+ glVertexAttribPointer(Render::worldShader.tex, 2, GL_FLOAT, GL_FALSE, 5 * sizeof(GLfloat), verts + 3);
+ glDrawArrays(GL_TRIANGLES, 0, 6);
+ }
+ Render::worldShader.disable();
+ Render::worldShader.unuse();
+
+ effects.erase(std::remove_if(effects.begin(), effects.end(), [](auto& e) { return ++e.counter >= e.effect.size() * RATE; }),
+ effects.end());
+}
projects / clyne / gamedev.git / commitdiff
