From 6c5bb0dbe21cd173c86ff4264646566da95832bc Mon Sep 17 00:00:00 2001
From: Paweł Redman <pawel.redman@gmail.com>
Date: Fri, 15 Dec 2017 18:13:28 +0100
Subject: Color modulation for animated textures.

---
 src/common.hpp       |  2 +-
 src/game/effects.cpp | 13 ++++++++++---
 src/render.cpp       |  6 +++---
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/common.hpp b/src/common.hpp
index 34c7b60..b88434e 100644
--- a/src/common.hpp
+++ b/src/common.hpp
@@ -318,7 +318,7 @@ namespace render {
 		void end_frame(void);
 
 		void render(game::state_t *game);
-		void render(double phase, animated_texture_t *anim, rectf_t bounds, bool mirror = false);
+		void render(double phase, animated_texture_t *anim, rectf_t bounds, sf::Color color = sf::Color::White, bool mirror = false);
 		void render(double phase, oriented_sprite_t *sprite, rectf_t bounds, float angle);
 
 		void render_text(v2f_t x, float height, std::string str, text_align_t align, sf::Color color);
diff --git a/src/game/effects.cpp b/src/game/effects.cpp
index 306405f..d9215e3 100644
--- a/src/game/effects.cpp
+++ b/src/game/effects.cpp
@@ -38,7 +38,7 @@ void fx_tracer_t::render_to(render::state_t *render)
 
 fx_blood_t::fx_blood_t(state_t *game_, v2f_t x_, bool alien_) : effect_t(game_)
 {
-	ttl = game->now + 1.0f;
+	ttl = game->now + 0.3f;
 
 	x = x_;
 	alien = alien_;
@@ -52,9 +52,16 @@ fx_blood_t::fx_blood_t(state_t *game_, v2f_t x_, bool alien_) : effect_t(game_)
 void fx_blood_t::render_to(render::state_t *render)
 {
 	double phase;
+	sf::Color color;
 
-	phase = (game->now - ttl) + 1;
-	render->render(phase, &assets::fx.blood, render_bounds);
+	phase = (game->now - ttl) / 0.3 + 1;
+
+	if (alien)
+		color = sf::Color::Green;
+	else
+		color = sf::Color::Red;
+
+	render->render(phase, &assets::fx.blood, render_bounds, color);
 }
 
 } // namespace game
diff --git a/src/render.cpp b/src/render.cpp
index 0e04aab..792d70d 100644
--- a/src/render.cpp
+++ b/src/render.cpp
@@ -144,7 +144,7 @@ void state_t::render(game::state_t *game)
 	}
 }
 
-void state_t::render(double phase, animated_texture_t *anim, rectf_t bounds, bool mirror){
+void state_t::render(double phase, animated_texture_t *anim, rectf_t bounds, sf::Color color, bool mirror){
 	size_t frame;
 
 	if (!anim)
@@ -156,7 +156,7 @@ void state_t::render(double phase, animated_texture_t *anim, rectf_t bounds, boo
 	frame = floor(fmod(phase, 1.0) * anim->frame_count);
 
 	wot_rect.setTexture(anim->frames + frame, true);
-	wot_rect.setFillColor(sf::Color::White);
+	wot_rect.setFillColor(color);
 
 	if (!mirror) {
 		wot_rect.setPosition(bounds[0]);
@@ -179,7 +179,7 @@ void state_t::render(double phase, oriented_sprite_t *sprite, rectf_t bounds, fl
 	bool mirror;
 
 	index = sprite->select_index(angle, &mirror);
-	render(phase, sprite->textures + index, bounds, mirror);
+	render(phase, sprite->textures + index, bounds, sf::Color::White, mirror);
 }
 
 void state_t::render_text(v2f_t x, float height, std::string str,
-- 
cgit