Add live_textures_reload command

modules/client/client.lua

@@ -11,7 +11,7 @@ function setMusic(filename)
 end
 
 function reloadScripts()
-  g_textures.clearTexturesCache()
+  g_textures.clearCache()
   g_modules.reloadModules()
 
   local script = '/' .. g_app.getCompactName() .. 'rc'

modules/client_terminal/commands.lua

@@ -15,6 +15,10 @@ function show_map()
   modules.game_interface.getMapPanel():show()
 end
 
+function live_textures_reload()
+  g_textures.liveReload()
+end
+
 function auto_reload_module(name)
   local function reloadEvent()
     reloadModule(name)

src/framework/core/resourcemanager.cpp

@@ -297,6 +297,11 @@ std::string ResourceManager::getRealDir(const std::string& path)
     return dir;
 }
 
+std::string ResourceManager::getRealPath(const std::string& path)
+{
+    return getRealDir(path) + "/" + path;
+}
+
 std::string ResourceManager::getBaseDir()
 {
     return PHYSFS_getBaseDir();
@@ -320,3 +325,8 @@ bool ResourceManager::isFileType(const std::string& filename, const std::string&
         return true;
     return false;
 }
+
+ticks_t ResourceManager::getFileTime(const std::string& filename)
+{
+    return g_platform.getFileModificationTime(getRealPath(filename));
+}

src/framework/core/resourcemanager.h

@@ -64,6 +64,7 @@ public:
 
     std::string resolvePath(const std::string& path);
     std::string getRealDir(const std::string& path);
+    std::string getRealPath(const std::string& path);
     std::string getBaseDir();
     std::string getUserDir();
     std::string getWriteDir() { return m_writeDir; }
@@ -72,6 +73,7 @@ public:
 
     std::string guessFilePath(const std::string& filename, const std::string& type);
     bool isFileType(const std::string& filename, const std::string& type);
+    ticks_t getFileTime(const std::string& filename);
 
 private:
     std::string m_workDir;

src/framework/graphics/texture.cpp

@@ -30,11 +30,13 @@
 Texture::Texture()
 {
     m_id = 0;
+    m_time = 0;
 }
 
 Texture::Texture(const Size& size)
 {
     m_id = 0;
+    m_time = 0;
 
     if(!setupSize(size))
         return;
@@ -49,9 +51,7 @@ Texture::Texture(const Size& size)
 Texture::Texture(const ImagePtr& image, bool buildMipmaps, bool compress)
 {
     m_id = 0;
-
+    m_time = 0;
-    if(!setupSize(image->getSize(), buildMipmaps))
-        return;
 
     createTexture();
 
@@ -70,6 +70,9 @@ Texture::~Texture()
 
 void Texture::uploadPixels(const ImagePtr& image, bool buildMipmaps, bool compress)
 {
+    if(!setupSize(image->getSize(), buildMipmaps))
+        return;
+
     ImagePtr glImage = image;
     if(m_size != m_glSize) {
         glImage = ImagePtr(new Image(m_glSize, image->getBpp()));

src/framework/graphics/texture.h

@@ -41,8 +41,10 @@ public:
     virtual void setSmooth(bool smooth);
     virtual void setRepeat(bool repeat);
     void setUpsideDown(bool upsideDown);
+    void setTime(ticks_t time) { m_time = time; }
 
-    uint getId()  { return m_id; }
+    uint getId() { return m_id; }
+    ticks_t getTime() { return m_time; }
     int getWidth() { return m_size.width(); }
     int getHeight() { return m_size.height(); }
     const Size& getSize() { return m_size; }
@@ -62,6 +64,7 @@ protected:
     void setupPixels(int level, const Size& size, uchar *pixels, int channels = 4, bool compress = false);
 
     uint m_id;
+    ticks_t m_time;
     Size m_size;
     Size m_glSize;
     Matrix3 m_transformMatrix;

src/framework/graphics/texturemanager.cpp

@@ -27,6 +27,7 @@
 
 #include <framework/core/resourcemanager.h>
 #include <framework/core/clock.h>
+#include <framework/core/eventdispatcher.h>
 #include <framework/graphics/apngloader.h>
 
 TextureManager g_textures;
@@ -38,6 +39,10 @@ void TextureManager::init()
 
 void TextureManager::terminate()
 {
+    if(m_liveReloadEvent) {
+        m_liveReloadEvent->cancel();
+        m_liveReloadEvent = nullptr;
+    }
     m_textures.clear();
     m_animatedTextures.clear();
     m_emptyTexture = nullptr;
@@ -56,12 +61,32 @@ void TextureManager::poll()
         animatedTexture->updateAnimation();
 }
 
-void TextureManager::clearTexturesCache()
+void TextureManager::clearCache()
 {
     m_animatedTextures.clear();
     m_textures.clear();
 }
 
+void TextureManager::liveReload()
+{
+    if(m_liveReloadEvent)
+        return;
+    m_liveReloadEvent = g_dispatcher.cycleEvent([this] {
+        for(auto& it : m_textures) {
+            const std::string& path = g_resources.guessFilePath(it.first, "png");
+            const TexturePtr& tex = it.second;
+            if(tex->getTime() >= g_resources.getFileTime(path))
+                continue;
+
+            ImagePtr image = Image::load(path);
+            if(!image)
+                continue;
+            tex->uploadPixels(image, tex->hasMipmaps());
+            tex->setTime(stdext::time());
+        }
+    }, 1000);
+}
+
 TexturePtr TextureManager::getTexture(const std::string& fileName)
 {
     TexturePtr texture;
@@ -83,13 +108,14 @@ TexturePtr TextureManager::getTexture(const std::string& fileName)
             // load texture file data
             std::stringstream fin;
             g_resources.readFileStream(filePathEx, fin);
-            texture = loadPNG(fin);
+            texture = loadTexture(fin);
         } catch(stdext::exception& e) {
             g_logger.error(stdext::format("Unable to load texture '%s': %s", fileName, e.what()));
             texture = g_textures.getEmptyTexture();
         }
 
         if(texture) {
+            texture->setTime(stdext::time());
             texture->setSmooth(true);
             m_textures[filePath] = texture;
         }
@@ -98,7 +124,7 @@ TexturePtr TextureManager::getTexture(const std::string& fileName)
     return texture;
 }
 
-TexturePtr TextureManager::loadPNG(std::stringstream& file)
+TexturePtr TextureManager::loadTexture(std::stringstream& file)
 {
     TexturePtr texture;
 

src/framework/graphics/texturemanager.h

@@ -24,6 +24,7 @@
 #define TEXTUREMANAGER_H
 
 #include "texture.h"
+#include <framework/core/declarations.h>
 
 class TextureManager
 {
@@ -32,17 +33,20 @@ public:
     void terminate();
     void poll();
 
-    void clearTexturesCache();
+    void clearCache();
+    void liveReload();
+
     void preload(const std::string& fileName) { getTexture(fileName); }
     TexturePtr getTexture(const std::string& fileName);
     const TexturePtr& getEmptyTexture() { return m_emptyTexture; }
 
 private:
-    TexturePtr loadPNG(std::stringstream& file);
+    TexturePtr loadTexture(std::stringstream& file);
 
     std::unordered_map<std::string, TexturePtr> m_textures;
     std::vector<AnimatedTexturePtr> m_animatedTextures;
     TexturePtr m_emptyTexture;
+    ScheduledEventPtr m_liveReloadEvent;
 };
 
 extern TextureManager g_textures;

src/framework/luafunctions.cpp

@@ -192,6 +192,7 @@ void Application::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_resources", "readFileContents", &ResourceManager::readFileContents, &g_resources);
     g_lua.bindSingletonFunction("g_resources", "guessFilePath", &ResourceManager::guessFilePath, &g_resources);
     g_lua.bindSingletonFunction("g_resources", "isFileType", &ResourceManager::isFileType, &g_resources);
+    g_lua.bindSingletonFunction("g_resources", "getFileTime", &ResourceManager::getFileTime, &g_resources);
 
     // Module
     g_lua.registerClass<Module>();
@@ -304,7 +305,8 @@ void Application::registerLuaFunctions()
     // Textures
     g_lua.registerSingletonClass("g_textures");
     g_lua.bindSingletonFunction("g_textures", "preload", &TextureManager::preload, &g_textures);
-    g_lua.bindSingletonFunction("g_textures", "clearTexturesCache", &TextureManager::clearTexturesCache, &g_textures);
+    g_lua.bindSingletonFunction("g_textures", "clearCache", &TextureManager::clearCache, &g_textures);
+    g_lua.bindSingletonFunction("g_textures", "liveReload", &TextureManager::liveReload, &g_textures);
 
     // UI
     g_lua.registerSingletonClass("g_ui");

src/framework/platform/platform.h

@@ -25,6 +25,7 @@
 
 #include <string>
 #include <vector>
+#include <framework/stdext/types.h>
 
 class Platform
 {
@@ -39,11 +40,11 @@ public:
     bool copyFile(std::string from, std::string to);
     bool fileExists(std::string file);
     bool removeFile(std::string file);
+    ticks_t getFileModificationTime(std::string file);
     void openUrl(std::string url);
     std::string getCPUName();
     double getTotalSystemMemory();
     std::string getOSName();
-    time_t getFileModificationTime(const std::string& filename);
 };
 
 extern Platform g_platform;

src/framework/platform/unixplatform.cpp

@@ -108,6 +108,14 @@ bool Platform::removeFile(std::string file)
     return false;
 }
 
+ticks_t Platform::getFileModificationTime(std::string file)
+{
+    struct stat attrib;
+    if(stat(file.c_str(), &attrib) == 0)
+        return attrib.st_mtime;
+    return 0;
+}
+
 void Platform::openUrl(std::string url)
 {
     if(url.find("http://") == std::string::npos)
@@ -160,15 +168,5 @@ std::string Platform::getOSName()
     return std::string();
 }
 
-time_t Platform::getFileModificationTime(const std::string& filename)
-{
-    struct stat attrib;
-    if(stat(filename.c_str(), &attrib))
-        perror(filename.c_str());
-    else
-        return attrib.st_mtime;
-    return 0;
-}
-
 
 #endif

src/framework/platform/win32platform.cpp

@@ -132,6 +132,19 @@ bool Platform::removeFile(std::string file)
     return true;
 }
 
+ticks_t Platform::getFileModificationTime(std::string file)
+{
+    boost::replace_all(file, "/", "\\");
+    std::wstring wfile = stdext::utf8_to_utf16(file);
+    WIN32_FILE_ATTRIBUTE_DATA fileAttrData;
+    memset(&fileAttrData, 0, sizeof(fileAttrData));
+    GetFileAttributesExW(wfile.c_str(), GetFileExInfoStandard, &fileAttrData);
+    ULARGE_INTEGER uli;
+    uli.LowPart  = fileAttrData.ftLastWriteTime.dwLowDateTime;
+    uli.HighPart = fileAttrData.ftLastWriteTime.dwHighDateTime;
+    return uli.QuadPart;
+}
+
 void Platform::openUrl(std::string url)
 {
     if(url.find("http://") == std::string::npos)
@@ -401,13 +414,4 @@ std::string Platform::getOSName()
     return ret;
 }
 
-time_t Platform::getFileModificationTime(const std::string& filename)
-{
-    //TODO
-    /*WIN32_FILE_ATTRIBUTE_DATA fileAttrData = {0};
-    GetFileAttributesEx(filename.c_str(), GetFileExInfoStandard, &fileAttrData);
-    return fileAttrData.ftLastWriteTime;*/
-    return 0;
-}
-
 #endif

src/framework/stdext/time.cpp

@@ -28,6 +28,10 @@ namespace stdext {
 
 const static auto startup_time = boost::chrono::high_resolution_clock::now();
 
+ticks_t time() {
+    return std::time(NULL);
+}
+
 ticks_t millis()
 {
     return boost::chrono::duration_cast<boost::chrono::milliseconds>(boost::chrono::high_resolution_clock::now() - startup_time).count();

src/framework/stdext/time.h

@@ -27,6 +27,7 @@
 
 namespace stdext {
 
+ticks_t time();
 ticks_t millis();
 ticks_t micros();
 void millisleep(size_t ms);