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Copy pathDFSDL.cpp
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328 lines (277 loc) · 10.4 KB
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#include "Error.h"
#include "Internal.h"
#include "modules/DFSDL.h"
#include "Debug.h"
#include "PluginManager.h"
#include <SDL_stdinc.h>
#include <SDL_keycode.h>
#include <vector>
#ifdef WIN32
# include <regex>
#endif
namespace DFHack {
DBG_DECLARE(core, dfsdl, DebugCategory::LINFO);
}
using namespace DFHack;
using std::string;
using std::vector;
static DFLibrary *g_sdl_handle = nullptr;
static DFLibrary *g_sdl_image_handle = nullptr;
static const vector<string> SDL_LIBS {
#ifdef WIN32
"SDL2.dll"
#elif defined(_DARWIN)
"SDL.framework/Versions/A/SDL",
"SDL.framework/SDL"
#else
"libSDL2-2.0.so.0"
#endif
};
static const vector<string> SDL_IMAGE_LIBS {
#ifdef WIN32
"SDL2_image.dll"
#elif defined(_DARWIN)
"SDL_image.framework/Versions/A/SDL_image",
"SDL_image.framework/SDL_image"
#else
"libSDL2_image-2.0.so.0"
#endif
};
SDL_Surface * (*g_IMG_Load)(const char *) = nullptr;
SDL_Surface * (*g_SDL_CreateRGBSurface)(uint32_t, int, int, int, uint32_t, uint32_t, uint32_t, uint32_t) = nullptr;
SDL_Surface * (*g_SDL_CreateRGBSurfaceFrom)(void *pixels, int width, int height, int depth, int pitch, uint32_t Rmask, uint32_t Gmask, uint32_t Bmask, uint32_t Amask) = nullptr;
int (*g_SDL_UpperBlit)(SDL_Surface *, const SDL_Rect *, SDL_Surface *, SDL_Rect *) = nullptr;
SDL_Surface * (*g_SDL_ConvertSurface)(SDL_Surface *, const SDL_PixelFormat *, uint32_t) = nullptr;
void (*g_SDL_FreeSurface)(SDL_Surface *) = nullptr;
// int (*g_SDL_SemWait)(DFSDL_sem *) = nullptr;
// int (*g_SDL_SemPost)(DFSDL_sem *) = nullptr;
int (*g_SDL_PushEvent)(SDL_Event *) = nullptr;
SDL_bool (*g_SDL_HasClipboardText)();
int (*g_SDL_SetClipboardText)(const char *text);
char * (*g_SDL_GetClipboardText)();
void (*g_SDL_free)(void *);
SDL_PixelFormat* (*g_SDL_AllocFormat)(uint32_t pixel_format) = nullptr;
SDL_Surface* (*g_SDL_CreateRGBSurfaceWithFormat)(uint32_t flags, int width, int height, int depth, uint32_t format) = nullptr;
int (*g_SDL_ShowSimpleMessageBox)(uint32_t flags, const char *title, const char *message, SDL_Window *window) = nullptr;
char* (*g_SDL_GetPrefPath)(const char* org, const char* app) = nullptr;
char* (*g_SDL_GetBasePath)() = nullptr;
uint32_t (*g_SDL_GetMouseState)(int* x, int* y) = nullptr;
void (*g_SDL_RenderWindowToLogical)(SDL_Renderer* renderer, int windowX, int windowY, float* logicalX, float* logicalY);
void (*g_SDL_RenderLogicalToWindow)(SDL_Renderer* renderer, float logicalX, float logicalY, int* windowX, int* windowY);
SDL_Keycode (*g_SDL_GetKeyFromName)(const char* name) = nullptr;
const char* (*g_SDL_GetKeyName)(SDL_Keycode key) = nullptr;
bool DFSDL::init(color_ostream &out) {
for (auto &lib_str : SDL_LIBS) {
if ((g_sdl_handle = OpenPlugin(lib_str.c_str())))
break;
}
if (!g_sdl_handle) {
out.printerr("DFHack could not find SDL\n");
return false;
}
for (auto &lib_str : SDL_IMAGE_LIBS) {
if ((g_sdl_image_handle = OpenPlugin(lib_str.c_str())))
break;
}
if (!g_sdl_image_handle) {
out.printerr("DFHack could not find SDL_image\n");
return false;
}
#define bind(handle, name) \
g_##name = (decltype(g_##name))LookupPlugin(handle, #name); \
if (!g_##name) { \
out.printerr("DFHack could not find: " #name "\n"); \
return false; \
}
bind(g_sdl_image_handle, IMG_Load);
bind(g_sdl_handle, SDL_CreateRGBSurface);
bind(g_sdl_handle, SDL_CreateRGBSurfaceFrom);
bind(g_sdl_handle, SDL_UpperBlit);
bind(g_sdl_handle, SDL_ConvertSurface);
bind(g_sdl_handle, SDL_FreeSurface);
// bind(g_sdl_handle, SDL_SemWait);
// bind(g_sdl_handle, SDL_SemPost);
bind(g_sdl_handle, SDL_PushEvent);
bind(g_sdl_handle, SDL_HasClipboardText);
bind(g_sdl_handle, SDL_SetClipboardText);
bind(g_sdl_handle, SDL_GetClipboardText);
bind(g_sdl_handle, SDL_free);
bind(g_sdl_handle, SDL_AllocFormat);
bind(g_sdl_handle, SDL_CreateRGBSurfaceWithFormat);
bind(g_sdl_handle, SDL_ShowSimpleMessageBox);
bind(g_sdl_handle, SDL_GetPrefPath);
bind(g_sdl_handle, SDL_GetBasePath);
bind(g_sdl_handle, SDL_GetKeyFromName);
bind(g_sdl_handle, SDL_GetKeyName);
bind(g_sdl_handle, SDL_GetMouseState);
bind(g_sdl_handle, SDL_RenderWindowToLogical);
bind(g_sdl_handle, SDL_RenderLogicalToWindow);
#undef bind
DEBUG(dfsdl,out).print("sdl successfully loaded\n");
return true;
}
// It's ok to leave NULLs in the raws list (according to usage in g_src)
void DFSDL::cleanup() {
if (g_sdl_handle) {
ClosePlugin(g_sdl_handle);
g_sdl_handle = nullptr;
}
if (g_sdl_image_handle) {
ClosePlugin(g_sdl_image_handle);
g_sdl_image_handle = nullptr;
}
}
SDL_Surface * DFSDL::DFIMG_Load(const char *file) {
return g_IMG_Load(file);
}
SDL_Surface * DFSDL::DFSDL_CreateRGBSurface(uint32_t flags, int width, int height, int depth, uint32_t Rmask, uint32_t Gmask, uint32_t Bmask, uint32_t Amask) {
return g_SDL_CreateRGBSurface(flags, width, height, depth, Rmask, Gmask, Bmask, Amask);
}
SDL_Surface * DFSDL::DFSDL_CreateRGBSurfaceFrom(void *pixels, int width, int height, int depth, int pitch, uint32_t Rmask, uint32_t Gmask, uint32_t Bmask, uint32_t Amask) {
return g_SDL_CreateRGBSurfaceFrom(pixels, width, height, depth, pitch, Rmask, Gmask, Bmask, Amask);
}
int DFSDL::DFSDL_UpperBlit(SDL_Surface *src, const SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect) {
return g_SDL_UpperBlit(src, srcrect, dst, dstrect);
}
SDL_Surface * DFSDL::DFSDL_ConvertSurface(SDL_Surface *src, const SDL_PixelFormat *fmt, uint32_t flags) {
return g_SDL_ConvertSurface(src, fmt, flags);
}
void DFSDL::DFSDL_FreeSurface(SDL_Surface *surface) {
g_SDL_FreeSurface(surface);
}
// int DFSDL::DFSDL_SemWait(DFSDL_sem *sem) {
// return g_SDL_SemWait(sem);
// }
// int DFSDL::DFSDL_SemPost(DFSDL_sem *sem) {
// return g_SDL_SemPost(sem);
// }
int DFSDL::DFSDL_PushEvent(SDL_Event *event) {
return g_SDL_PushEvent(event);
}
void DFSDL::DFSDL_free(void *ptr) {
g_SDL_free(ptr);
}
char * DFSDL::DFSDL_GetClipboardText() {
return g_SDL_GetClipboardText();
}
int DFSDL::DFSDL_SetClipboardText(const char *text) {
return g_SDL_SetClipboardText(text);
}
SDL_PixelFormat* DFSDL::DFSDL_AllocFormat(uint32_t pixel_format) {
return g_SDL_AllocFormat(pixel_format);
}
SDL_Surface* DFSDL::DFSDL_CreateRGBSurfaceWithFormat(uint32_t flags, int width, int height, int depth, uint32_t format) {
return g_SDL_CreateRGBSurfaceWithFormat(flags, width, height, depth, format);
}
char* DFSDL::DFSDL_GetPrefPath(const char* org, const char* app)
{
return g_SDL_GetPrefPath(org, app);
}
char* DFSDL::DFSDL_GetBasePath()
{
return g_SDL_GetBasePath();
}
uint32_t DFSDL::DFSDL_GetMouseState(int* x, int* y) {
return g_SDL_GetMouseState(x, y);
}
void DFSDL::DFSDL_RenderWindowToLogical(SDL_Renderer *renderer, int windowX, int windowY, float *logicalX, float *logicalY) {
g_SDL_RenderWindowToLogical(renderer, windowX, windowY, logicalX, logicalY);
}
void DFSDL::DFSDL_RenderLogicalToWindow(SDL_Renderer *renderer, float logicalX, float logicalY, int *windowX, int *windowY) {
g_SDL_RenderLogicalToWindow(renderer, logicalX, logicalY, windowX, windowY);
}
int DFSDL::DFSDL_ShowSimpleMessageBox(uint32_t flags, const char *title, const char *message, SDL_Window *window) {
if (!g_SDL_ShowSimpleMessageBox)
return -1;
return g_SDL_ShowSimpleMessageBox(flags, title, message, window);
}
SDL_Keycode DFSDL::DFSDL_GetKeyFromName(const char* name) {
if (!g_SDL_GetKeyFromName)
return SDLK_UNKNOWN;
return g_SDL_GetKeyFromName(name);
}
const char* DFSDL::DFSDL_GetKeyName(SDL_Keycode key) {
if (!g_SDL_GetKeyName)
return "";
return g_SDL_GetKeyName(key);
}
// convert tabs to spaces so they don't get converted to '?'
static char * tabs_to_spaces(char *str) {
for (char *c = str; *c; ++c) {
if (*c == '\t')
*c = ' ';
}
return str;
}
static string normalize_newlines(const string & str, bool to_spaces = false) {
string normalized_str = str;
#ifdef WIN32
static const std::regex CRLF("\r\n");
normalized_str = std::regex_replace(normalized_str, CRLF, "\n");
#endif
if (to_spaces)
std::replace(normalized_str.begin(), normalized_str.end(), '\n', ' ');
return normalized_str;
}
DFHACK_EXPORT string DFHack::getClipboardTextCp437() {
if (!g_sdl_handle || g_SDL_HasClipboardText() != SDL_TRUE)
return "";
char *text = tabs_to_spaces(g_SDL_GetClipboardText());
string textcp437 = UTF2DF(normalize_newlines(text, true));
DFHack::DFSDL::DFSDL_free(text);
return textcp437;
}
DFHACK_EXPORT bool DFHack::getClipboardTextCp437Multiline(vector<string> * lines) {
CHECK_NULL_POINTER(lines);
if (!g_sdl_handle || g_SDL_HasClipboardText() != SDL_TRUE)
return false;
char *text = tabs_to_spaces(g_SDL_GetClipboardText());
vector<string> utf8_lines;
split_string(&utf8_lines, normalize_newlines(text), "\n");
DFHack::DFSDL::DFSDL_free(text);
for (auto utf8_line : utf8_lines)
lines->emplace_back(UTF2DF(utf8_line));
return true;
}
DFHACK_EXPORT bool DFHack::setClipboardTextCp437(string text) {
if (!g_sdl_handle)
return false;
return 0 == DFHack::DFSDL::DFSDL_SetClipboardText(DF2UTF(text).c_str());
}
DFHACK_EXPORT bool DFHack::setClipboardTextCp437Multiline(string text) {
if (!g_sdl_handle)
return false;
vector<string> lines;
split_string(&lines, text, "\n");
std::ostringstream str;
for (size_t idx = 0; idx < lines.size(); ++idx) {
str << DF2UTF(lines[idx]);
if (idx < lines.size() - 1) {
#ifdef WIN32
str << "\r\n";
#else
str << "\n";
#endif
}
}
return 0 == DFHack::DFSDL::DFSDL_SetClipboardText(str.str().c_str());
}
// Queue to run callbacks on the render thread.
// Semantics loosely based on SDL3's SDL_RunOnMainThread
static std::recursive_mutex render_cb_lock;
static std::vector<std::function<void()>> render_cb_queue;
DFHACK_EXPORT void DFHack::runOnRenderThread(std::function<void()> cb) {
std::lock_guard<std::recursive_mutex> l(render_cb_lock);
render_cb_queue.push_back(std::move(cb));
}
DFHACK_EXPORT void DFHack::runRenderThreadCallbacks() {
static decltype(render_cb_queue) local_queue;
{
std::lock_guard<std::recursive_mutex> l(render_cb_lock);
std::swap(local_queue, render_cb_queue);
}
for (auto& cb : local_queue) {
cb();
}
local_queue.clear();
}
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