From eaff488dc2d2df5dbd578a5d8474617999e0dfcc Mon Sep 17 00:00:00 2001
From: Marco Hladik <marco@icculus.org>
Date: Tue, 27 Apr 2021 12:53:21 +0200
Subject: [PATCH] Client: Add an OSD for various EFX debug info when s_al_debug
 is enabled.

---
 src/client/efx.h    |  2 ++
 src/client/efx.qc   | 39 +++++++++++++++++++++++++++++++++++++++
 src/client/entry.qc |  4 ++++
 3 files changed, 45 insertions(+)

diff --git a/src/client/efx.h b/src/client/efx.h
index 3859eaaa..007fd53d 100644
--- a/src/client/efx.h
+++ b/src/client/efx.h
@@ -19,6 +19,8 @@ string *g_efx_name;
 int g_efx_count;
 
 var int autocvar_s_al_use_reverb = TRUE;
+var int autocvar_s_al_debug = FALSE;
+
 reverbinfo_t mix;
 
 int g_iEFX;
diff --git a/src/client/efx.qc b/src/client/efx.qc
index 0ceff69a..7997556e 100644
--- a/src/client/efx.qc
+++ b/src/client/efx.qc
@@ -13,6 +13,45 @@
  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+ 
+void
+EFX_DebugInfo(void)
+{
+	static vector pos = [16, 16];
+
+	static void epr(string tx) {
+		drawfont = FONT_CON;
+		drawstring(pos, tx, [12,12], [1,1,1], 1.0f, 0);
+		pos[1] += 12;
+	}
+
+	pos = [16,16];
+	epr("OpenAL EFX Debug Information:");
+	epr(strcat("EFX Name: ", g_efx_name[g_iEFX]));
+	epr(sprintf("Density: %d", g_efx[g_iEFX].flDensity));
+	epr(sprintf("Diffusion: %d", g_efx[g_iEFX].flDiffusion));
+	epr(sprintf("Gain: %d", g_efx[g_iEFX].flGain));
+	epr(sprintf("Gain HF: %d", g_efx[g_iEFX].flGainHF));
+	epr(sprintf("Gain LF: %d", g_efx[g_iEFX].flGainLF));
+	epr(sprintf("Decay Time: %d", g_efx[g_iEFX].flDecayTime));
+	epr(sprintf("Decay HF Ratio: %d", g_efx[g_iEFX].flDecayHFRatio));
+	epr(sprintf("Decay LF Ratio: %d", g_efx[g_iEFX].flDecayLFRatio));
+	epr(sprintf("Reflections Gain: %d", g_efx[g_iEFX].flReflectionsGain));
+	epr(sprintf("Reflections Delay: %d", g_efx[g_iEFX].flReflectionsDelay));
+	epr(sprintf("Reflections Pan: %v", g_efx[g_iEFX].flReflectionsPan));
+	epr(sprintf("Late Reverb Gain: %d", g_efx[g_iEFX].flLateReverbGain));
+	epr(sprintf("Late Reverb Delay: %d", g_efx[g_iEFX].flLateReverbDelay));
+	epr(sprintf("Late Reverb Pan: %v", g_efx[g_iEFX].flLateReverbPan));
+	epr(sprintf("Echo Time: %d", g_efx[g_iEFX].flEchoTime));
+	epr(sprintf("Echo Depth: %d", g_efx[g_iEFX].flEchoDepth));
+	epr(sprintf("Modulation Time: %d", g_efx[g_iEFX].flModulationTime));
+	epr(sprintf("Modulation Depth: %d", g_efx[g_iEFX].flModulationDepth));
+	epr(sprintf("Air Absorption Gain HF: %d", g_efx[g_iEFX].flAirAbsorptionGainHF));
+	epr(sprintf("HF Reference: %d", g_efx[g_iEFX].flHFReference));
+	epr(sprintf("LF Reference: %d", g_efx[g_iEFX].flLFReference));
+	epr(sprintf("Romm Rolloff Factor: %d", g_efx[g_iEFX].flRoomRolloffFactor));
+	epr(sprintf("Decay HF Limit: %i", g_efx[g_iEFX].iDecayHFLimit));
+}
 
 int
 EFX_Load(string efx_file)
diff --git a/src/client/entry.qc b/src/client/entry.qc
index a1a98022..ac811e9e 100644
--- a/src/client/entry.qc
+++ b/src/client/entry.qc
@@ -415,6 +415,10 @@ CSQC_UpdateView(float w, float h, float focus)
 	}
 
 	EFX_UpdateListener();
+
+	if (autocvar_s_al_debug)
+		EFX_DebugInfo();
+
 	pSeat = (void*)0x70000000i;
 	pSeatLocal = (void*)0x70000000i;