add Textures module and load DFHack logo
undocumented for now since it's internal. in the future, perhaps this could morph into a dynamic texture loading facility for toolsdevelop
Myk Taylor
parent
a0343b06a6
commit
5d04b9c4cb
Binary file not shown.
|
After Width: | Height: | Size: 1.4 KiB |
@ -0,0 +1,35 @@
|
||||
#pragma once
|
||||
|
||||
#include "Export.h"
|
||||
|
||||
#include "ColorText.h"
|
||||
|
||||
namespace DFHack {
|
||||
|
||||
/**
|
||||
* The Textures module - loads and provides access to DFHack textures
|
||||
* \ingroup grp_modules
|
||||
* \ingroup grp_textures
|
||||
*/
|
||||
namespace Textures {
|
||||
|
||||
/**
|
||||
* Call this on DFHack init and on every viewscreen change so we can reload
|
||||
* and reindex textures as needed.
|
||||
*/
|
||||
void init(DFHack::color_ostream &out);
|
||||
|
||||
/**
|
||||
* Call this when DFHack is being unloaded.
|
||||
*
|
||||
*/
|
||||
void cleanup();
|
||||
|
||||
/**
|
||||
* Get first texpos for the DFHack logo. This texpos and the next 11 make up the
|
||||
* 4x3 grid of logo textures that can be displayed on the UI layer.
|
||||
*/
|
||||
DFHACK_EXPORT long getDfhackLogoTexposStart();
|
||||
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,208 @@
|
||||
#include "Internal.h"
|
||||
|
||||
#include "modules/Textures.h"
|
||||
|
||||
#include "Debug.h"
|
||||
#include "PluginManager.h"
|
||||
|
||||
#include "df/enabler.h"
|
||||
|
||||
using df::global::enabler;
|
||||
using namespace DFHack;
|
||||
|
||||
namespace DFHack {
|
||||
DBG_DECLARE(core, textures, DebugCategory::LINFO);
|
||||
}
|
||||
|
||||
static bool g_loaded = false;
|
||||
static long g_num_dfhack_textures = 0;
|
||||
static long g_dfhack_logo_texpos_start = -1;
|
||||
|
||||
static DFLibrary *g_sdl_handle = nullptr;
|
||||
static DFLibrary *g_sdl_image_handle = nullptr;
|
||||
static const std::vector<std::string> SDL_LIBS {
|
||||
"SDLreal.dll",
|
||||
"SDL.framework/Versions/A/SDL",
|
||||
"SDL.framework/SDL",
|
||||
"libSDL-1.2.so.0"
|
||||
};
|
||||
static const std::vector<std::string> SDL_IMAGE_LIBS {
|
||||
"SDL_image.dll",
|
||||
"SDL_image.framework/Versions/A/SDL_image",
|
||||
"SDL_image.framework/SDL_image",
|
||||
"libSDL_image-1.2.so.0"
|
||||
};
|
||||
|
||||
DFSDL_Surface * (*g_IMG_Load)(const char *) = nullptr;
|
||||
int (*g_SDL_SetAlpha)(DFSDL_Surface *, uint32_t, uint8_t) = nullptr;
|
||||
DFSDL_Surface * (*g_SDL_CreateRGBSurface)(uint32_t, int, int, int, uint32_t, uint32_t, uint32_t, uint32_t);
|
||||
int (*g_SDL_UpperBlit)(DFSDL_Surface *, DFSDL_Rect *, DFSDL_Surface *, DFSDL_Rect *);
|
||||
DFSDL_Surface * (*g_SDL_ConvertSurface)(DFSDL_Surface *, const DFSDL_PixelFormat *, uint32_t);
|
||||
|
||||
void (*g_SDL_FreeSurface)(DFSDL_Surface *);
|
||||
|
||||
// Converts an arbitrary Surface to something like the display format
|
||||
// (32-bit RGBA), and converts magenta to transparency if convert_magenta is set
|
||||
// and the source surface didn't already have an alpha channel.
|
||||
// It also deletes the source surface.
|
||||
//
|
||||
// It uses the same pixel format (RGBA, R at lowest address) regardless of
|
||||
// hardware.
|
||||
DFSDL_Surface * canonicalize_format(DFSDL_Surface *src) {
|
||||
DFSDL_PixelFormat fmt;
|
||||
fmt.palette = NULL;
|
||||
fmt.BitsPerPixel = 32;
|
||||
fmt.BytesPerPixel = 4;
|
||||
fmt.Rloss = fmt.Gloss = fmt.Bloss = fmt.Aloss = 0;
|
||||
//#if SDL_BYTEORDER == SDL_BIG_ENDIAN
|
||||
// fmt.Rshift = 24; fmt.Gshift = 16; fmt.Bshift = 8; fmt.Ashift = 0;
|
||||
//#else
|
||||
fmt.Rshift = 0; fmt.Gshift = 8; fmt.Bshift = 16; fmt.Ashift = 24;
|
||||
//#endif
|
||||
fmt.Rmask = 255 << fmt.Rshift;
|
||||
fmt.Gmask = 255 << fmt.Gshift;
|
||||
fmt.Bmask = 255 << fmt.Bshift;
|
||||
fmt.Amask = 255 << fmt.Ashift;
|
||||
fmt.colorkey = 0;
|
||||
fmt.alpha = 255;
|
||||
|
||||
DFSDL_Surface *tgt = g_SDL_ConvertSurface(src, &fmt, 0); // SDL_SWSURFACE
|
||||
g_SDL_FreeSurface(src);
|
||||
return tgt;
|
||||
}
|
||||
|
||||
const uint32_t TILE_WIDTH_PX = 8;
|
||||
const uint32_t TILE_HEIGHT_PX = 12;
|
||||
|
||||
static size_t load_textures(color_ostream & out, const char * fname,
|
||||
long *texpos_start) {
|
||||
if (!g_sdl_handle || !g_sdl_image_handle || !g_IMG_Load || !g_SDL_SetAlpha
|
||||
|| !g_SDL_CreateRGBSurface || !g_SDL_UpperBlit
|
||||
|| !g_SDL_ConvertSurface || !g_SDL_FreeSurface)
|
||||
return 0;
|
||||
|
||||
DFSDL_Surface *s = g_IMG_Load(fname);
|
||||
if (!s) {
|
||||
out.printerr("unable to load textures from '%s'\n", fname);
|
||||
return 0;
|
||||
}
|
||||
|
||||
s = canonicalize_format(s);
|
||||
g_SDL_SetAlpha(s, 0, 255);
|
||||
int dimx = s->w / TILE_WIDTH_PX;
|
||||
int dimy = s->h / TILE_HEIGHT_PX;
|
||||
long count = 0;
|
||||
for (int y = 0; y < dimy; y++) {
|
||||
for (int x = 0; x < dimx; x++) {
|
||||
DFSDL_Surface *tile = g_SDL_CreateRGBSurface(0, // SDL_SWSURFACE
|
||||
TILE_WIDTH_PX, TILE_HEIGHT_PX, 32,
|
||||
s->format->Rmask, s->format->Gmask, s->format->Bmask,
|
||||
s->format->Amask);
|
||||
g_SDL_SetAlpha(tile, 0,255);
|
||||
DFSDL_Rect vp;
|
||||
vp.x = TILE_WIDTH_PX * x;
|
||||
vp.y = TILE_HEIGHT_PX * y;
|
||||
vp.w = TILE_WIDTH_PX;
|
||||
vp.h = TILE_HEIGHT_PX;
|
||||
g_SDL_UpperBlit(s, &vp, tile, NULL);
|
||||
if (!count++)
|
||||
*texpos_start = enabler->textures.raws.size();
|
||||
enabler->textures.raws.push_back(tile);
|
||||
}
|
||||
}
|
||||
g_SDL_FreeSurface(s);
|
||||
|
||||
DEBUG(textures,out).print("loaded %zd textures from '%s'\n", count, fname);
|
||||
return count;
|
||||
}
|
||||
|
||||
// DFHack could conceivably be loaded at any time, so we need to be able to
|
||||
// handle loading textures before or after a world is loaded.
|
||||
// If a world is already loaded, then append our textures to the raws. they'll
|
||||
// be freed when the world is unloaded and we'll reload when we get to the title
|
||||
// screen. If it's pre-world, append our textures and then adjust the "init"
|
||||
// texture count so our textures will no longer be freed when worlds are
|
||||
// unloaded.
|
||||
//
|
||||
void Textures::init(color_ostream &out) {
|
||||
auto & textures = enabler->textures;
|
||||
long num_textures = textures.raws.size();
|
||||
if (num_textures <= g_dfhack_logo_texpos_start)
|
||||
g_loaded = false;
|
||||
|
||||
if (g_loaded)
|
||||
return;
|
||||
|
||||
for (auto &lib_str : SDL_LIBS) {
|
||||
if ((g_sdl_handle = OpenPlugin(lib_str.c_str())))
|
||||
break;
|
||||
}
|
||||
for (auto &lib_str : SDL_IMAGE_LIBS) {
|
||||
if ((g_sdl_image_handle = OpenPlugin(lib_str.c_str())))
|
||||
break;
|
||||
}
|
||||
|
||||
if (!g_sdl_handle) {
|
||||
out.printerr("Could not find SDL; DFHack textures not loaded.\n");
|
||||
} else if (!g_sdl_image_handle) {
|
||||
out.printerr("Could not find SDL_image; DFHack textures not loaded.\n");
|
||||
} else {
|
||||
#define bind(handle, name) \
|
||||
g_##name = (decltype(g_##name))LookupPlugin(handle, #name); \
|
||||
if (!g_##name) { \
|
||||
out.printerr("Could not find: " #name "; DFHack textures not loaded\n"); \
|
||||
}
|
||||
|
||||
bind(g_sdl_image_handle, IMG_Load);
|
||||
bind(g_sdl_handle, SDL_SetAlpha);
|
||||
bind(g_sdl_handle, SDL_CreateRGBSurface);
|
||||
bind(g_sdl_handle, SDL_UpperBlit);
|
||||
bind(g_sdl_handle, SDL_ConvertSurface);
|
||||
bind(g_sdl_handle, SDL_FreeSurface);
|
||||
#undef bind
|
||||
}
|
||||
|
||||
bool is_pre_world = num_textures == textures.init_texture_size;
|
||||
|
||||
g_num_dfhack_textures = load_textures(out, "hack/data/art/dfhack.png",
|
||||
&g_dfhack_logo_texpos_start);
|
||||
|
||||
DEBUG(textures,out).print("loaded %zd textures\n", g_num_dfhack_textures);
|
||||
|
||||
if (is_pre_world)
|
||||
textures.init_texture_size += g_num_dfhack_textures;
|
||||
|
||||
// NOTE: when GL modes are supported, we'll have to re-upload textures here
|
||||
|
||||
g_loaded = true;
|
||||
}
|
||||
|
||||
// It's ok to leave NULLs in the raws list (according to usage in g_src)
|
||||
void Textures::cleanup() {
|
||||
if (!g_loaded)
|
||||
return;
|
||||
|
||||
auto & textures = enabler->textures;
|
||||
auto &raws = textures.raws;
|
||||
size_t texpos_end = g_dfhack_logo_texpos_start + g_num_dfhack_textures;
|
||||
for (size_t idx = g_dfhack_logo_texpos_start; idx <= texpos_end; ++idx) {
|
||||
SDL_FreeSurface(raws[idx]);
|
||||
raws[idx] = NULL;
|
||||
}
|
||||
|
||||
if (g_dfhack_logo_texpos_start == textures.init_texture_size - g_num_dfhack_textures)
|
||||
textures.init_texture_size -= g_num_dfhack_textures;
|
||||
|
||||
g_loaded = false;
|
||||
g_num_dfhack_textures = 0;
|
||||
g_dfhack_logo_texpos_start = -1;
|
||||
|
||||
if (g_sdl_handle) {
|
||||
ClosePlugin(g_sdl_handle);
|
||||
g_sdl_handle = nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
long Textures::getDfhackLogoTexposStart() {
|
||||
return g_dfhack_logo_texpos_start;
|
||||
}
|
||||
Loading…
Reference in New Issue