|
@@ -0,0 +1,83 @@
|
|
|
+#include "guiAnimatedImage.h"
|
|
|
+
|
|
|
+#include "client/guiscalingfilter.h"
|
|
|
+#include "client/tile.h" // ITextureSource
|
|
|
+#include "log.h"
|
|
|
+#include "porting.h"
|
|
|
+#include <string>
|
|
|
+
|
|
|
+GUIAnimatedImage::GUIAnimatedImage(gui::IGUIEnvironment *env, gui::IGUIElement *parent,
|
|
|
+ s32 id, const core::rect<s32> &rectangle, const std::string &name,
|
|
|
+ ISimpleTextureSource *tsrc) :
|
|
|
+ gui::IGUIElement(gui::EGUIET_ELEMENT, env, parent, id, rectangle),
|
|
|
+ m_name(name), m_tsrc(tsrc), m_texture(nullptr), m_global_time(0),
|
|
|
+ m_frame_idx(0), m_frame_count(1), m_frame_duration(1), m_frame_time(0)
|
|
|
+{
|
|
|
+ // Expected format: "texture_name:frame_count,frame_duration"
|
|
|
+ // If this format is not met, the string will be loaded as a normal texture
|
|
|
+
|
|
|
+ std::string::size_type colon_position = name.find(':', 0);
|
|
|
+ std::string::size_type comma_position = name.find(',', 0);
|
|
|
+
|
|
|
+ if (comma_position != std::string::npos &&
|
|
|
+ colon_position != std::string::npos &&
|
|
|
+ comma_position < name.size()) {
|
|
|
+ m_texture = m_tsrc->getTexture(name.substr(0, colon_position));
|
|
|
+
|
|
|
+ m_frame_count = std::max(stoi(name.substr(
|
|
|
+ colon_position + 1, comma_position - colon_position - 1)), 1);
|
|
|
+
|
|
|
+ m_frame_duration = std::max(stoi(name.substr(comma_position + 1)), 1);
|
|
|
+ } else {
|
|
|
+ // Leave the count/duration and display a static image
|
|
|
+ m_texture = m_tsrc->getTexture(name);
|
|
|
+ errorstream << "animated_image[]: Invalid texture format " << name <<
|
|
|
+ ". Expected format: texture_name:frame_count,frame_duration" << std::endl;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (m_texture != nullptr) {
|
|
|
+ core::dimension2d<u32> size = m_texture->getOriginalSize();
|
|
|
+ if (size.Height < (u64)m_frame_count) {
|
|
|
+ m_frame_count = size.Height;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // No need to step an animation if we have nothing to draw
|
|
|
+ m_frame_count = 1;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void GUIAnimatedImage::draw()
|
|
|
+{
|
|
|
+ // Render the current frame
|
|
|
+ if (m_texture != nullptr) {
|
|
|
+ video::IVideoDriver *driver = Environment->getVideoDriver();
|
|
|
+
|
|
|
+ const video::SColor color(255, 255, 255, 255);
|
|
|
+ const video::SColor colors[] = {color, color, color, color};
|
|
|
+
|
|
|
+ core::dimension2d<u32> size = m_texture->getOriginalSize();
|
|
|
+ size.Height /= m_frame_count;
|
|
|
+
|
|
|
+ draw2DImageFilterScaled( driver, m_texture, AbsoluteRect,
|
|
|
+ core::rect<s32>(core::position2d<s32>(0, size.Height * m_frame_idx), size),
|
|
|
+ NoClip ? nullptr : &AbsoluteClippingRect, colors, true);
|
|
|
+ }
|
|
|
+
|
|
|
+ // Step the animation
|
|
|
+ if (m_frame_count > 1) {
|
|
|
+ // Determine the delta time to step
|
|
|
+ u64 new_global_time = porting::getTimeMs();
|
|
|
+ if (m_global_time > 0)
|
|
|
+ m_frame_time += new_global_time - m_global_time;
|
|
|
+
|
|
|
+ m_global_time = new_global_time;
|
|
|
+
|
|
|
+ // Advance by the number of elapsed frames, looping if necessary
|
|
|
+ m_frame_idx += u32(m_frame_time / m_frame_duration);
|
|
|
+ m_frame_idx %= m_frame_count;
|
|
|
+
|
|
|
+ // If 1 or more frames have elapsed, reset the frame time counter with
|
|
|
+ // the remainder
|
|
|
+ m_frame_time %= m_frame_duration;
|
|
|
+ }
|
|
|
+}
|