1
0
forked from pool/prboom-plus
prboom-plus/prboom-hbar-gradient.diff

86 lines
2.7 KiB
Diff

From be1128c66a342ca381532ac3c6bcd286d871fdc3 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@inai.de>
Date: Wed, 1 May 2013 09:53:49 +0200
Subject: [PATCH 2/2] Implement color gradient for health bar
References: https://github.com/coelckers/prboom-plus/pull/274
---
prboom2/src/gl_intern.h | 2 +-
prboom2/src/gl_main.c | 31 +++++++++++++++++--------------
2 files changed, 18 insertions(+), 15 deletions(-)
diff --git prboom2/src/gl_intern.h prboom2/src/gl_intern.h
index b4be8d56..8c44d9a7 100644
--- prboom2/src/gl_intern.h
+++ prboom2/src/gl_intern.h
@@ -219,7 +219,7 @@ typedef struct
typedef struct
{
- int cm;
+ float r,g;
float x1, x2, x3;
float z1, z2, z3;
diff --git prboom2/src/gl_main.c prboom2/src/gl_main.c
index 763bcbae..8dcb03fd 100644
--- prboom2/src/gl_main.c
+++ prboom2/src/gl_main.c
@@ -2340,16 +2340,24 @@ static void gld_AddHealthBar(mobj_t* thing, GLSprite *sprite)
{
GLHealthBar hbar;
int health_percent = thing->health * 100 / thing->info->spawnhealth;
+ int yr = health_bar_yellow - health_bar_red;
- hbar.cm = -1;
- if (health_percent <= health_bar_red)
- hbar.cm = CR_RED;
- else if (health_percent <= health_bar_yellow)
- hbar.cm = CR_YELLOW;
- else if (health_percent <= health_bar_green)
- hbar.cm = CR_GREEN;
+ hbar.r = hbar.g = -1.0f;
+ if (health_percent <= 0) {
+ hbar.r = 1.0f;
+ hbar.g = 0.0f;
+ } else if (health_percent <= health_bar_red) {
+ hbar.r = 1.0f;
+ hbar.g = yr == 0 ? 0 : (float)health_percent / yr;
+ } else if (health_percent <= health_bar_yellow) {
+ hbar.r = yr == 0 ? 1 : (float)(health_bar_yellow - health_percent) / yr;
+ hbar.g = 1.0f;
+ } else if (health_percent <= health_bar_green) {
+ hbar.r = 0.0f;
+ hbar.g = 1.0f;
+ }
- if (hbar.cm >= 0)
+ if (hbar.r >= 0 && hbar.g >= 0)
{
float sx2 = (float)thing->radius / 2.0f / MAP_SCALE;
float sx1 = sx2 - (float)health_percent * (float)thing->radius / 100.0f / MAP_SCALE;
@@ -2373,7 +2381,6 @@ static void gld_AddHealthBar(mobj_t* thing, GLSprite *sprite)
static void gld_DrawHealthBars(void)
{
int i, count;
- int cm = -1;
count = gld_drawinfo.num_items[GLDIT_HBAR];
if (count > 0)
@@ -2384,11 +2391,7 @@ static void gld_DrawHealthBars(void)
for (i = count - 1; i >= 0; i--)
{
GLHealthBar *hbar = gld_drawinfo.items[GLDIT_HBAR][i].item.hbar;
- if (hbar->cm != cm)
- {
- cm = hbar->cm;
- glColor4f(cm2RGB[cm][0], cm2RGB[cm][1], cm2RGB[cm][2], 1.0f);
- }
+ glColor4f(hbar->r, hbar->g, 0.0f, 1.0f);
glVertex3f(hbar->x1, hbar->y, hbar->z1);
glVertex3f(hbar->x2, hbar->y, hbar->z2);
--
2.31.1