From e0cf44509fd6db62f74ef0bf53b7b5e83f16cfe0 Mon Sep 17 00:00:00 2001
From: JesusChristItsJasonBourne <averyconfusedbird@gmail.com>
Date: Sun, 8 Sep 2019 21:01:58 +1000
Subject: [PATCH] functional gender changing chemicals that respect the users
 prefs cleanly.

---
 .../mob/living/carbon/human/human_defines.dm  |  1 +
 .../Chemistry-Reagents_chomp.dm               | 47 +++++++++++++++++++
 code/modules/reagents/Chemistry-Recipes_ch.dm | 23 ++++++++-
 3 files changed, 70 insertions(+), 1 deletion(-)

diff --git a/code/modules/mob/living/carbon/human/human_defines.dm b/code/modules/mob/living/carbon/human/human_defines.dm
index d4c33117b2..aded403c8a 100644
--- a/code/modules/mob/living/carbon/human/human_defines.dm
+++ b/code/modules/mob/living/carbon/human/human_defines.dm
@@ -98,6 +98,7 @@
 	mob_swap_flags = ~HEAVY
 
 	var/identifying_gender // In case the human identifies as another gender than it's biological
+	var/gender_change_cooldown = 0 // A cooldown for gender and gender indentify changing procs to make it easy to avoid spam of gender change
 
 	var/step_count = 0 // Track how many footsteps have been taken to know when to play footstep sounds
 
diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents_chomp.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents_chomp.dm
index 54a7e37954..b9f3157460 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents_chomp.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents_chomp.dm
@@ -188,7 +188,54 @@
 	M.adjustBruteLoss(1)
 	M.adjustToxLoss(1)
 
+/datum/reagent/change_drug //base chemical
+	name = "Elixer of Change" //always the same name
+	id = "change_drug"
+	metabolism = 100 //set high enough that it does not process multiple times(delay implemented below)
+	description = "the bloods DNA in this seems aggressive"
+	taste_description = "this shouldn't be here" //unobtainable ingame
+	color = "#7F0000"
+	var/gender_change = null //set the gender variable here so we can set it to others in varients
 
+/datum/reagent/change_drug/male //inherits base chemical properties listed above
+	id = "change_drug_male" //unique ID for each varient
+	taste_description = "old spice odor blocker body wash"
+	reagent_state = LIQUID
+	color = "#428AFF"
+	gender_change = "male"
+	scannable = 1
+
+/datum/reagent/change_drug/female
+	id = "change_drug_female"
+	taste_description = "spiced honey"
+	reagent_state = LIQUID
+	color = "#FFA0FA"
+	gender_change = "female"
+	scannable = 1
+
+/datum/reagent/change_drug/intersex
+	id = "change_drug_intersex"
+	taste_description = "something salty and sweet"
+	reagent_state = LIQUID
+	color = "#CB9EFF"
+	gender_change = "herm"
+	scannable = 1
+
+/datum/reagent/change_drug/affect_blood(var/mob/living/carbon/human/M, var/alien, var/removed) //we need to process the change
+	if(alien == IS_DIONA) //doesn't work on multiple creature hiveminds
+		return
+	if(M.identifying_gender == gender_change) //don't bug them if they're already the same gender
+		return
+	if(M.gender_change_cooldown == 1) //if already done, don't bug them
+		return
+	else
+		M.gender_change_cooldown = 1 //set not to bug them because the chem is activating
+		M << "<span class='notice'>You lose focus as warmth spreads throughout your chest and abdomen.</span>"
+		spawn(300) //wait 30 seconds, growth takes time yo
+			M.gender_change_cooldown = 0 //allow it to bug them again now that we've waited
+			if (alert(M,"This chemical will change your gender, proceed?", "Warning", "Yes", "No") == "Yes") //check if they want this to happen for pref sake
+				M.change_gender_identity(gender_change)
+				M << "<span class='warning'>You feel like a new person</span>" //success
 ////////////////////////////////////////////////
 /////////DRINKS////////////////////////////////
 //////////////////////////////////////////////
diff --git a/code/modules/reagents/Chemistry-Recipes_ch.dm b/code/modules/reagents/Chemistry-Recipes_ch.dm
index e8c6bff15c..c6e3911495 100644
--- a/code/modules/reagents/Chemistry-Recipes_ch.dm
+++ b/code/modules/reagents/Chemistry-Recipes_ch.dm
@@ -59,4 +59,25 @@
 	id = "matcha_latte"
 	result = "matcha_latte"
 	required_reagents = list ("matchapowder" = 1, "milk" = 5)
-	result_amount = 5
\ No newline at end of file
+	result_amount = 5
+
+/datum/chemical_reaction/change_drug/male
+	name = "Elixer of Change"
+	id = "change_drug_male"
+	result = "change_drug_male"
+	required_reagents = list("blood" = 1, "mutagen" = 1, "iron" = 1)
+	result_amount = 1
+
+/datum/chemical_reaction/change_drug/female
+	name = "Elixer of Change"
+	id = "change_drug_female"
+	result = "change_drug_female"
+	required_reagents = list("blood" = 1, "mutagen" = 1, "sugar" = 1)
+	result_amount = 1
+
+/datum/chemical_reaction/change_drug/intersex
+	name = "Elixer of Change"
+	id = "change_drug_intersex"
+	result = "change_drug_intersex"
+	required_reagents = list("change_drug_male" = 1, "change_drug_female" = 1)
+	result_amount = 1
\ No newline at end of file