#include "tile.h"
+#include <algorithm>
#include <ICameraSceneNode.h>
+#include <IrrCompileConfig.h>
#include "util/string.h"
#include "util/container.h"
#include "util/thread.h"
#include "renderingengine.h"
-#ifdef __ANDROID__
+#if ENABLE_GLES
+#ifdef _IRR_COMPILE_WITH_OGLES1_
#include <GLES/gl.h>
+#else
+#include <GLES2/gl2.h>
+#endif
#endif
/*
Utilizes a thread-safe cache.
*/
-std::string getTexturePath(const std::string &filename)
+std::string getTexturePath(const std::string &filename, bool *is_base_pack)
{
std::string fullpath;
+
+ // This can set a wrong value on cached textures, but is irrelevant because
+ // is_base_pack is only passed when initializing the textures the first time
+ if (is_base_pack)
+ *is_base_pack = false;
/*
Check from cache
*/
/*
Check from texture_path
*/
- const std::string &texture_path = g_settings->get("texture_path");
- if (!texture_path.empty()) {
- std::string testpath = texture_path + DIR_DELIM + filename;
+ for (const auto &path : getTextureDirs()) {
+ std::string testpath = path + DIR_DELIM;
+ testpath.append(filename);
// Check all filename extensions. Returns "" if not found.
fullpath = getImagePath(testpath);
+ if (!fullpath.empty())
+ break;
}
/*
std::string testpath = base_path + DIR_DELIM + filename;
// Check all filename extensions. Returns "" if not found.
fullpath = getImagePath(testpath);
+ if (is_base_pack && !fullpath.empty())
+ *is_base_pack = true;
}
// Add to cache (also an empty result is cached)
bool need_to_grab = true;
// Try to use local texture instead if asked to
- if (prefer_local){
- std::string path = getTexturePath(name);
- if (!path.empty()) {
+ if (prefer_local) {
+ bool is_base_pack;
+ std::string path = getTexturePath(name, &is_base_pack);
+ // Ignore base pack
+ if (!path.empty() && !is_base_pack) {
video::IImage *img2 = RenderingEngine::get_video_driver()->
createImageFromFile(path.c_str());
if (img2){
// Shall be called from the main thread.
void rebuildImagesAndTextures();
- // Render a mesh to a texture.
- // Returns NULL if render-to-texture failed.
- // Shall be called from the main thread.
- video::ITexture* generateTextureFromMesh(
- const TextureFromMeshParams ¶ms);
-
video::ITexture* getNormalTexture(const std::string &name);
video::SColor getTextureAverageColor(const std::string &name);
video::ITexture *getShaderFlagsTexture(bool normamap_present);
driver->removeTexture(t);
}
- infostream << "~TextureSource() "<< textures_before << "/"
- << driver->getTextureCount() << std::endl;
+ infostream << "~TextureSource() before cleanup: "<< textures_before
+ << " after: " << driver->getTextureCount() << std::endl;
}
u32 TextureSource::getTextureId(const std::string &name)
// Draw or overlay a crack
static void draw_crack(video::IImage *crack, video::IImage *dst,
bool use_overlay, s32 frame_count, s32 progression,
- video::IVideoDriver *driver);
+ video::IVideoDriver *driver, u8 tiles = 1);
// Brighten image
void brighten(video::IImage *image);
video::ITexture *tex = NULL;
if (img != NULL) {
-#ifdef __ANDROID__
+#if ENABLE_GLES
img = Align2Npot2(img, driver);
#endif
// Create texture from resulting image
video::ITexture* TextureSource::getTextureForMesh(const std::string &name, u32 *id)
{
- return getTexture(name + "^[applyfiltersformesh", id);
+ static thread_local bool filter_needed =
+ g_settings->getBool("texture_clean_transparent") ||
+ ((m_setting_trilinear_filter || m_setting_bilinear_filter) &&
+ g_settings->getS32("texture_min_size") > 1);
+ // Avoid duplicating texture if it won't actually change
+ if (filter_needed)
+ return getTexture(name + "^[applyfiltersformesh", id);
+ return getTexture(name, id);
}
Palette* TextureSource::getPalette(const std::string &name)
video::IVideoDriver *driver = RenderingEngine::get_video_driver();
sanity_check(driver);
+ infostream << "TextureSource: recreating " << m_textureinfo_cache.size()
+ << " textures" << std::endl;
+
// Recreate textures
for (TextureInfo &ti : m_textureinfo_cache) {
video::IImage *img = generateImage(ti.name);
-#ifdef __ANDROID__
+#if ENABLE_GLES
img = Align2Npot2(img, driver);
#endif
// Create texture from resulting image
}
}
-video::ITexture* TextureSource::generateTextureFromMesh(
- const TextureFromMeshParams ¶ms)
+inline static void applyShadeFactor(video::SColor &color, u32 factor)
{
- video::IVideoDriver *driver = RenderingEngine::get_video_driver();
- sanity_check(driver);
-
-#ifdef __ANDROID__
- const GLubyte* renderstr = glGetString(GL_RENDERER);
- std::string renderer((char*) renderstr);
-
- // use no render to texture hack
- if (
- (renderer.find("Adreno") != std::string::npos) ||
- (renderer.find("Mali") != std::string::npos) ||
- (renderer.find("Immersion") != std::string::npos) ||
- (renderer.find("Tegra") != std::string::npos) ||
- g_settings->getBool("inventory_image_hack")
- ) {
- // Get a scene manager
- scene::ISceneManager *smgr_main = m_device->getSceneManager();
- sanity_check(smgr_main);
- scene::ISceneManager *smgr = smgr_main->createNewSceneManager();
- sanity_check(smgr);
-
- const float scaling = 0.2;
-
- scene::IMeshSceneNode* meshnode =
- smgr->addMeshSceneNode(params.mesh, NULL,
- -1, v3f(0,0,0), v3f(0,0,0),
- v3f(1.0 * scaling,1.0 * scaling,1.0 * scaling), true);
- meshnode->setMaterialFlag(video::EMF_LIGHTING, true);
- meshnode->setMaterialFlag(video::EMF_ANTI_ALIASING, true);
- meshnode->setMaterialFlag(video::EMF_TRILINEAR_FILTER, m_setting_trilinear_filter);
- meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, m_setting_bilinear_filter);
- meshnode->setMaterialFlag(video::EMF_ANISOTROPIC_FILTER, m_setting_anisotropic_filter);
-
- scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0,
- params.camera_position, params.camera_lookat);
- // second parameter of setProjectionMatrix (isOrthogonal) is ignored
- camera->setProjectionMatrix(params.camera_projection_matrix, false);
-
- smgr->setAmbientLight(params.ambient_light);
- smgr->addLightSceneNode(0,
- params.light_position,
- params.light_color,
- params.light_radius*scaling);
-
- core::dimension2d<u32> screen = driver->getScreenSize();
-
- // Render scene
- driver->beginScene(true, true, video::SColor(0,0,0,0));
- driver->clearZBuffer();
- smgr->drawAll();
-
- core::dimension2d<u32> partsize(screen.Width * scaling,screen.Height * scaling);
-
- irr::video::IImage* rawImage =
- driver->createImage(irr::video::ECF_A8R8G8B8, partsize);
-
- u8* pixels = static_cast<u8*>(rawImage->lock());
- if (!pixels)
- {
- rawImage->drop();
- return NULL;
- }
-
- core::rect<s32> source(
- screen.Width /2 - (screen.Width * (scaling / 2)),
- screen.Height/2 - (screen.Height * (scaling / 2)),
- screen.Width /2 + (screen.Width * (scaling / 2)),
- screen.Height/2 + (screen.Height * (scaling / 2))
- );
-
- glReadPixels(source.UpperLeftCorner.X, source.UpperLeftCorner.Y,
- partsize.Width, partsize.Height, GL_RGBA,
- GL_UNSIGNED_BYTE, pixels);
-
- driver->endScene();
-
- // Drop scene manager
- smgr->drop();
-
- unsigned int pixelcount = partsize.Width*partsize.Height;
-
- u8* runptr = pixels;
- for (unsigned int i=0; i < pixelcount; i++) {
-
- u8 B = *runptr;
- u8 G = *(runptr+1);
- u8 R = *(runptr+2);
- u8 A = *(runptr+3);
-
- //BGRA -> RGBA
- *runptr = R;
- runptr ++;
- *runptr = G;
- runptr ++;
- *runptr = B;
- runptr ++;
- *runptr = A;
- runptr ++;
- }
-
- video::IImage* inventory_image =
- driver->createImage(irr::video::ECF_A8R8G8B8, params.dim);
-
- rawImage->copyToScaling(inventory_image);
- rawImage->drop();
+ u32 f = core::clamp<u32>(factor, 0, 256);
+ color.setRed(color.getRed() * f / 256);
+ color.setGreen(color.getGreen() * f / 256);
+ color.setBlue(color.getBlue() * f / 256);
+}
- guiScalingCache(io::path(params.rtt_texture_name.c_str()), driver, inventory_image);
+static video::IImage *createInventoryCubeImage(
+ video::IImage *top, video::IImage *left, video::IImage *right)
+{
+ core::dimension2du size_top = top->getDimension();
+ core::dimension2du size_left = left->getDimension();
+ core::dimension2du size_right = right->getDimension();
+
+ u32 size = npot2(std::max({
+ size_top.Width, size_top.Height,
+ size_left.Width, size_left.Height,
+ size_right.Width, size_right.Height,
+ }));
+
+ // It must be divisible by 4, to let everything work correctly.
+ // But it is a power of 2, so being at least 4 is the same.
+ // And the resulting texture should't be too large as well.
+ size = core::clamp<u32>(size, 4, 64);
+
+ // With such parameters, the cube fits exactly, touching each image line
+ // from `0` to `cube_size - 1`. (Note that division is exact here).
+ u32 cube_size = 9 * size;
+ u32 offset = size / 2;
- video::ITexture *rtt = driver->addTexture(params.rtt_texture_name.c_str(), inventory_image);
- inventory_image->drop();
+ video::IVideoDriver *driver = RenderingEngine::get_video_driver();
- if (rtt == NULL) {
- errorstream << "TextureSource::generateTextureFromMesh(): failed to recreate texture from image: " << params.rtt_texture_name << std::endl;
- return NULL;
+ auto lock_image = [size, driver] (video::IImage *&image) -> const u32 * {
+ image->grab();
+ core::dimension2du dim = image->getDimension();
+ video::ECOLOR_FORMAT format = image->getColorFormat();
+ if (dim.Width != size || dim.Height != size || format != video::ECF_A8R8G8B8) {
+ video::IImage *scaled = driver->createImage(video::ECF_A8R8G8B8, {size, size});
+ image->copyToScaling(scaled);
+ image->drop();
+ image = scaled;
}
+ sanity_check(image->getPitch() == 4 * size);
+ return reinterpret_cast<u32 *>(image->lock());
+ };
+ auto free_image = [] (video::IImage *image) -> void {
+ image->unlock();
+ image->drop();
+ };
- driver->makeColorKeyTexture(rtt, v2s32(0,0));
-
- if (params.delete_texture_on_shutdown)
- m_texture_trash.push_back(rtt);
-
- return rtt;
- }
-#endif
-
- if (!driver->queryFeature(video::EVDF_RENDER_TO_TARGET)) {
- static bool warned = false;
- if (!warned)
- {
- errorstream<<"TextureSource::generateTextureFromMesh(): "
- <<"EVDF_RENDER_TO_TARGET not supported."<<std::endl;
- warned = true;
+ video::IImage *result = driver->createImage(video::ECF_A8R8G8B8, {cube_size, cube_size});
+ sanity_check(result->getPitch() == 4 * cube_size);
+ result->fill(video::SColor(0x00000000u));
+ u32 *target = reinterpret_cast<u32 *>(result->lock());
+
+ // Draws single cube face
+ // `shade_factor` is face brightness, in range [0.0, 1.0]
+ // (xu, xv, x1; yu, yv, y1) form coordinate transformation matrix
+ // `offsets` list pixels to be drawn for single source pixel
+ auto draw_image = [=] (video::IImage *image, float shade_factor,
+ s16 xu, s16 xv, s16 x1,
+ s16 yu, s16 yv, s16 y1,
+ std::initializer_list<v2s16> offsets) -> void {
+ u32 brightness = core::clamp<u32>(256 * shade_factor, 0, 256);
+ const u32 *source = lock_image(image);
+ for (u16 v = 0; v < size; v++) {
+ for (u16 u = 0; u < size; u++) {
+ video::SColor pixel(*source);
+ applyShadeFactor(pixel, brightness);
+ s16 x = xu * u + xv * v + x1;
+ s16 y = yu * u + yv * v + y1;
+ for (const auto &off : offsets)
+ target[(y + off.Y) * cube_size + (x + off.X) + offset] = pixel.color;
+ source++;
+ }
}
- return NULL;
- }
-
- // Create render target texture
- video::ITexture *rtt = driver->addRenderTargetTexture(
- params.dim, params.rtt_texture_name.c_str(),
- video::ECF_A8R8G8B8);
- if (rtt == NULL)
- {
- errorstream<<"TextureSource::generateTextureFromMesh(): "
- <<"addRenderTargetTexture returned NULL."<<std::endl;
- return NULL;
- }
-
- // Set render target
- if (!driver->setRenderTarget(rtt, false, true, video::SColor(0,0,0,0))) {
- driver->removeTexture(rtt);
- errorstream<<"TextureSource::generateTextureFromMesh(): "
- <<"failed to set render target"<<std::endl;
- return NULL;
- }
+ free_image(image);
+ };
- // Get a scene manager
- scene::ISceneManager *smgr_main = RenderingEngine::get_scene_manager();
- assert(smgr_main);
- scene::ISceneManager *smgr = smgr_main->createNewSceneManager();
- assert(smgr);
-
- scene::IMeshSceneNode* meshnode =
- smgr->addMeshSceneNode(params.mesh, NULL,
- -1, v3f(0,0,0), v3f(0,0,0), v3f(1,1,1), true);
- meshnode->setMaterialFlag(video::EMF_LIGHTING, true);
- meshnode->setMaterialFlag(video::EMF_ANTI_ALIASING, true);
- meshnode->setMaterialFlag(video::EMF_TRILINEAR_FILTER, m_setting_trilinear_filter);
- meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, m_setting_bilinear_filter);
- meshnode->setMaterialFlag(video::EMF_ANISOTROPIC_FILTER, m_setting_anisotropic_filter);
-
- scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0,
- params.camera_position, params.camera_lookat);
- // second parameter of setProjectionMatrix (isOrthogonal) is ignored
- camera->setProjectionMatrix(params.camera_projection_matrix, false);
-
- smgr->setAmbientLight(params.ambient_light);
- smgr->addLightSceneNode(0,
- params.light_position,
- params.light_color,
- params.light_radius);
-
- // Render scene
- driver->beginScene(true, true, video::SColor(0,0,0,0));
- smgr->drawAll();
- driver->endScene();
-
- // Drop scene manager
- smgr->drop();
-
- // Unset render target
- driver->setRenderTarget(0, false, true, video::SColor(0,0,0,0));
-
- if (params.delete_texture_on_shutdown)
- m_texture_trash.push_back(rtt);
-
- return rtt;
+ draw_image(top, 1.000000f,
+ 4, -4, 4 * (size - 1),
+ 2, 2, 0,
+ {
+ {2, 0}, {3, 0}, {4, 0}, {5, 0},
+ {0, 1}, {1, 1}, {2, 1}, {3, 1}, {4, 1}, {5, 1}, {6, 1}, {7, 1},
+ {2, 2}, {3, 2}, {4, 2}, {5, 2},
+ });
+
+ draw_image(left, 0.836660f,
+ 4, 0, 0,
+ 2, 5, 2 * size,
+ {
+ {0, 0}, {1, 0},
+ {0, 1}, {1, 1}, {2, 1}, {3, 1},
+ {0, 2}, {1, 2}, {2, 2}, {3, 2},
+ {0, 3}, {1, 3}, {2, 3}, {3, 3},
+ {0, 4}, {1, 4}, {2, 4}, {3, 4},
+ {2, 5}, {3, 5},
+ });
+
+ draw_image(right, 0.670820f,
+ 4, 0, 4 * size,
+ -2, 5, 4 * size - 2,
+ {
+ {2, 0}, {3, 0},
+ {0, 1}, {1, 1}, {2, 1}, {3, 1},
+ {0, 2}, {1, 2}, {2, 2}, {3, 2},
+ {0, 3}, {1, 3}, {2, 3}, {3, 3},
+ {0, 4}, {1, 4}, {2, 4}, {3, 4},
+ {0, 5}, {1, 5},
+ });
+
+ result->unlock();
+ return result;
}
video::IImage* TextureSource::generateImage(const std::string &name)
return baseimg;
}
-#ifdef __ANDROID__
-#include <GLES/gl.h>
+#if ENABLE_GLES
+
+
+static inline u16 get_GL_major_version()
+{
+ const GLubyte *gl_version = glGetString(GL_VERSION);
+ return (u16) (gl_version[0] - '0');
+}
+
+/**
+ * Check if hardware requires npot2 aligned textures
+ * @return true if alignment NOT(!) requires, false otherwise
+ */
+
+bool hasNPotSupport()
+{
+ // Only GLES2 is trusted to correctly report npot support
+ // Note: we cache the boolean result, the GL context will never change.
+ static const bool supported = get_GL_major_version() > 1 &&
+ glGetString(GL_EXTENSIONS) &&
+ strstr((char *)glGetString(GL_EXTENSIONS), "GL_OES_texture_npot");
+ return supported;
+}
+
/**
* Check and align image to npot2 if required by hardware
* @param image image to check for npot2 alignment
* @return image or copy of image aligned to npot2
*/
-inline u16 get_GL_major_version()
-{
- const GLubyte *gl_version = glGetString(GL_VERSION);
- return (u16) (gl_version[0] - '0');
-}
-
video::IImage * Align2Npot2(video::IImage * image,
video::IVideoDriver* driver)
{
- if (image == NULL) {
+ if (image == NULL)
return image;
- }
- core::dimension2d<u32> dim = image->getDimension();
-
- std::string extensions = (char*) glGetString(GL_EXTENSIONS);
-
- // Only GLES2 is trusted to correctly report npot support
- if (get_GL_major_version() > 1 &&
- extensions.find("GL_OES_texture_npot") != std::string::npos) {
+ if (hasNPotSupport())
return image;
- }
+ core::dimension2d<u32> dim = image->getDimension();
unsigned int height = npot2(dim.Height);
unsigned int width = npot2(dim.Width);
- if ((dim.Height == height) &&
- (dim.Width == width)) {
+ if (dim.Height == height && dim.Width == width)
return image;
- }
- if (dim.Height > height) {
+ if (dim.Height > height)
height *= 2;
- }
-
- if (dim.Width > width) {
+ if (dim.Width > width)
width *= 2;
- }
video::IImage *targetimage =
driver->createImage(video::ECF_A8R8G8B8,
core::dimension2d<u32>(width, height));
- if (targetimage != NULL) {
+ if (targetimage != NULL)
image->copyToScaling(targetimage);
- }
image->drop();
return targetimage;
}
// Stuff starting with [ are special commands
if (part_of_name.empty() || part_of_name[0] != '[') {
video::IImage *image = m_sourcecache.getOrLoad(part_of_name);
-#ifdef __ANDROID__
+#if ENABLE_GLES
image = Align2Npot2(image, driver);
#endif
if (image == NULL) {
}
// Crack image number and overlay option
+ // Format: crack[o][:<tiles>]:<frame_count>:<frame>
bool use_overlay = (part_of_name[6] == 'o');
Strfnd sf(part_of_name);
sf.next(":");
s32 frame_count = stoi(sf.next(":"));
s32 progression = stoi(sf.next(":"));
+ s32 tiles = 1;
+ // Check whether there is the <tiles> argument, that is,
+ // whether there are 3 arguments. If so, shift values
+ // as the first and not the last argument is optional.
+ auto s = sf.next(":");
+ if (!s.empty()) {
+ tiles = frame_count;
+ frame_count = progression;
+ progression = stoi(s);
+ }
if (progression >= 0) {
/*
if (img_crack) {
draw_crack(img_crack, baseimg,
use_overlay, frame_count,
- progression, driver);
+ progression, driver, tiles);
img_crack->drop();
}
}
video::IImage *img = generateImage(filename);
if (img) {
core::dimension2d<u32> dim = img->getDimension();
- infostream<<"Size "<<dim.Width
- <<"x"<<dim.Height<<std::endl;
core::position2d<s32> pos_base(x, y);
video::IImage *img2 =
driver->createImage(video::ECF_A8R8G8B8, dim);
return true;
}
-#ifdef __ANDROID__
- assert(img_top->getDimension().Height == npot2(img_top->getDimension().Height));
- assert(img_top->getDimension().Width == npot2(img_top->getDimension().Width));
-
- assert(img_left->getDimension().Height == npot2(img_left->getDimension().Height));
- assert(img_left->getDimension().Width == npot2(img_left->getDimension().Width));
-
- assert(img_right->getDimension().Height == npot2(img_right->getDimension().Height));
- assert(img_right->getDimension().Width == npot2(img_right->getDimension().Width));
-#endif
-
- // Create textures from images
- video::ITexture *texture_top = driver->addTexture(
- (imagename_top + "__temp__").c_str(), img_top);
- video::ITexture *texture_left = driver->addTexture(
- (imagename_left + "__temp__").c_str(), img_left);
- video::ITexture *texture_right = driver->addTexture(
- (imagename_right + "__temp__").c_str(), img_right);
- FATAL_ERROR_IF(!(texture_top && texture_left && texture_right), "");
+ baseimg = createInventoryCubeImage(img_top, img_left, img_right);
- // Drop images
+ // Face images are not needed anymore
img_top->drop();
img_left->drop();
img_right->drop();
- /*
- Draw a cube mesh into a render target texture
- */
- scene::IMesh* cube = createCubeMesh(v3f(1, 1, 1));
- setMeshColor(cube, video::SColor(255, 255, 255, 255));
- cube->getMeshBuffer(0)->getMaterial().setTexture(0, texture_top);
- cube->getMeshBuffer(1)->getMaterial().setTexture(0, texture_top);
- cube->getMeshBuffer(2)->getMaterial().setTexture(0, texture_right);
- cube->getMeshBuffer(3)->getMaterial().setTexture(0, texture_right);
- cube->getMeshBuffer(4)->getMaterial().setTexture(0, texture_left);
- cube->getMeshBuffer(5)->getMaterial().setTexture(0, texture_left);
-
- TextureFromMeshParams params;
- params.mesh = cube;
- params.dim.set(64, 64);
- params.rtt_texture_name = part_of_name + "_RTT";
- // We will delete the rtt texture ourselves
- params.delete_texture_on_shutdown = false;
- params.camera_position.set(0, 1.0, -1.5);
- params.camera_position.rotateXZBy(45);
- params.camera_lookat.set(0, 0, 0);
- // Set orthogonal projection
- params.camera_projection_matrix.buildProjectionMatrixOrthoLH(
- 1.65, 1.65, 0, 100);
-
- params.ambient_light.set(1.0, 0.2, 0.2, 0.2);
- params.light_position.set(10, 100, -50);
- params.light_color.set(1.0, 0.5, 0.5, 0.5);
- params.light_radius = 1000;
-
- video::ITexture *rtt = generateTextureFromMesh(params);
-
- // Drop mesh
- cube->drop();
-
- // Free textures
- driver->removeTexture(texture_top);
- driver->removeTexture(texture_left);
- driver->removeTexture(texture_right);
-
- if (rtt == NULL) {
- baseimg = generateImage(imagename_top);
- return true;
- }
-
- // Create image of render target
- video::IImage *image = driver->createImage(rtt, v2s32(0, 0), params.dim);
- FATAL_ERROR_IF(!image, "Could not create image of render target");
-
- // Cleanup texture
- driver->removeTexture(rtt);
-
- baseimg = driver->createImage(video::ECF_A8R8G8B8, params.dim);
-
- if (image) {
- image->copyTo(baseimg);
- image->drop();
- }
+ return true;
}
/*
[lowpart:percent:filename
*/
else if (str_starts_with(part_of_name, "[applyfiltersformesh"))
{
+ /* IMPORTANT: When changing this, getTextureForMesh() needs to be
+ * updated too. */
+
// Apply the "clean transparent" filter, if configured.
if (g_settings->getBool("texture_clean_transparent"))
imageCleanTransparent(baseimg, 127);
* mix high- and low-res textures, or for mods with least-common-denominator
* textures that don't have the resources to offer high-res alternatives.
*/
- s32 scaleto = g_settings->getS32("texture_min_size");
+ const bool filter = m_setting_trilinear_filter || m_setting_bilinear_filter;
+ const s32 scaleto = filter ? g_settings->getS32("texture_min_size") : 1;
if (scaleto > 1) {
const core::dimension2d<u32> dim = baseimg->getDimension();
return true;
}
+/*
+ Calculate the color of a single pixel drawn on top of another pixel.
+
+ This is a little more complicated than just video::SColor::getInterpolated
+ because getInterpolated does not handle alpha correctly. For example, a
+ pixel with alpha=64 drawn atop a pixel with alpha=128 should yield a
+ pixel with alpha=160, while getInterpolated would yield alpha=96.
+*/
+static inline video::SColor blitPixel(const video::SColor &src_c, const video::SColor &dst_c, u32 ratio)
+{
+ if (dst_c.getAlpha() == 0)
+ return src_c;
+ video::SColor out_c = src_c.getInterpolated(dst_c, (float)ratio / 255.0f);
+ out_c.setAlpha(dst_c.getAlpha() + (255 - dst_c.getAlpha()) *
+ src_c.getAlpha() * ratio / (255 * 255));
+ return out_c;
+}
+
/*
Draw an image on top of an another one, using the alpha channel of the
source image
s32 dst_y = dst_pos.Y + y0;
video::SColor src_c = src->getPixel(src_x, src_y);
video::SColor dst_c = dst->getPixel(dst_x, dst_y);
- dst_c = src_c.getInterpolated(dst_c, (float)src_c.getAlpha()/255.0f);
+ dst_c = blitPixel(src_c, dst_c, src_c.getAlpha());
dst->setPixel(dst_x, dst_y, dst_c);
}
}
video::SColor dst_c = dst->getPixel(dst_x, dst_y);
if (dst_c.getAlpha() == 255 && src_c.getAlpha() != 0)
{
- dst_c = src_c.getInterpolated(dst_c, (float)src_c.getAlpha()/255.0f);
+ dst_c = blitPixel(src_c, dst_c, src_c.getAlpha());
dst->setPixel(dst_x, dst_y, dst_c);
}
}
}
}
+video::IImage *create_crack_image(video::IImage *crack, s32 frame_index,
+ core::dimension2d<u32> size, u8 tiles, video::IVideoDriver *driver)
+{
+ core::dimension2d<u32> strip_size = crack->getDimension();
+ core::dimension2d<u32> frame_size(strip_size.Width, strip_size.Width);
+ core::dimension2d<u32> tile_size(size / tiles);
+ s32 frame_count = strip_size.Height / strip_size.Width;
+ if (frame_index >= frame_count)
+ frame_index = frame_count - 1;
+ core::rect<s32> frame(v2s32(0, frame_index * frame_size.Height), frame_size);
+ video::IImage *result = nullptr;
+
+// extract crack frame
+ video::IImage *crack_tile = driver->createImage(video::ECF_A8R8G8B8, tile_size);
+ if (!crack_tile)
+ return nullptr;
+ if (tile_size == frame_size) {
+ crack->copyTo(crack_tile, v2s32(0, 0), frame);
+ } else {
+ video::IImage *crack_frame = driver->createImage(video::ECF_A8R8G8B8, frame_size);
+ if (!crack_frame)
+ goto exit__has_tile;
+ crack->copyTo(crack_frame, v2s32(0, 0), frame);
+ crack_frame->copyToScaling(crack_tile);
+ crack_frame->drop();
+ }
+ if (tiles == 1)
+ return crack_tile;
+
+// tile it
+ result = driver->createImage(video::ECF_A8R8G8B8, size);
+ if (!result)
+ goto exit__has_tile;
+ result->fill({});
+ for (u8 i = 0; i < tiles; i++)
+ for (u8 j = 0; j < tiles; j++)
+ crack_tile->copyTo(result, v2s32(i * tile_size.Width, j * tile_size.Height));
+
+exit__has_tile:
+ crack_tile->drop();
+ return result;
+}
+
static void draw_crack(video::IImage *crack, video::IImage *dst,
bool use_overlay, s32 frame_count, s32 progression,
- video::IVideoDriver *driver)
+ video::IVideoDriver *driver, u8 tiles)
{
// Dimension of destination image
core::dimension2d<u32> dim_dst = dst->getDimension();
- // Dimension of original image
- core::dimension2d<u32> dim_crack = crack->getDimension();
- // Count of crack stages
- s32 crack_count = dim_crack.Height / dim_crack.Width;
// Limit frame_count
if (frame_count > (s32) dim_dst.Height)
frame_count = dim_dst.Height;
if (frame_count < 1)
frame_count = 1;
- // Limit progression
- if (progression > crack_count-1)
- progression = crack_count-1;
- // Dimension of a single crack stage
- core::dimension2d<u32> dim_crack_cropped(
- dim_crack.Width,
- dim_crack.Width
- );
// Dimension of the scaled crack stage,
// which is the same as the dimension of a single destination frame
- core::dimension2d<u32> dim_crack_scaled(
+ core::dimension2d<u32> frame_size(
dim_dst.Width,
dim_dst.Height / frame_count
);
- // Create cropped and scaled crack images
- video::IImage *crack_cropped = driver->createImage(
- video::ECF_A8R8G8B8, dim_crack_cropped);
- video::IImage *crack_scaled = driver->createImage(
- video::ECF_A8R8G8B8, dim_crack_scaled);
+ video::IImage *crack_scaled = create_crack_image(crack, progression,
+ frame_size, tiles, driver);
+ if (!crack_scaled)
+ return;
- if (crack_cropped && crack_scaled)
- {
- // Crop crack image
- v2s32 pos_crack(0, progression*dim_crack.Width);
- crack->copyTo(crack_cropped,
- v2s32(0,0),
- core::rect<s32>(pos_crack, dim_crack_cropped));
- // Scale crack image by copying
- crack_cropped->copyToScaling(crack_scaled);
- // Copy or overlay crack image onto each frame
- for (s32 i = 0; i < frame_count; ++i)
- {
- v2s32 dst_pos(0, dim_crack_scaled.Height * i);
- if (use_overlay)
- {
- blit_with_alpha_overlay(crack_scaled, dst,
- v2s32(0,0), dst_pos,
- dim_crack_scaled);
- }
- else
- {
- blit_with_alpha(crack_scaled, dst,
- v2s32(0,0), dst_pos,
- dim_crack_scaled);
- }
- }
+ auto blit = use_overlay ? blit_with_alpha_overlay : blit_with_alpha;
+ for (s32 i = 0; i < frame_count; ++i) {
+ v2s32 dst_pos(0, frame_size.Height * i);
+ blit(crack_scaled, dst, v2s32(0,0), dst_pos, frame_size);
}
- if (crack_scaled)
- crack_scaled->drop();
-
- if (crack_cropped)
- crack_cropped->drop();
+ crack_scaled->drop();
}
void brighten(video::IImage *image)
return getTexture(tname);
}
+
+std::vector<std::string> getTextureDirs()
+{
+ return fs::GetRecursiveDirs(g_settings->get("texture_path"));
+}
projects / minetest.git / blobdiff